return false; } $option_name = $this->get_option_name(); if ( ! $option_name ) { return false; } $paused_extensions = (array) get_option( $option_name, array() ); unset( $paused_extensions[ $this->type ] ); if ( ! $paused_extensions ) { return delete_option( $option_name ); } return update_option( $option_name, $paused_extensions ); } /** * Checks whether the underlying API to store paused extensions is loaded. * * @since 5.2.0 * * @return bool True if the API is loaded, false otherwise. */ protected function is_api_loaded() { return function_exists( 'get_option' ); } /** * Get the option name for storing paused extensions. * * @since 5.2.0 * * @return string */ protected function get_option_name() { if ( ! wp_recovery_mode()->is_active() ) { return ''; } $session_id = wp_recovery_mode()->get_session_id(); if ( empty( $session_id ) ) { return ''; } return "{$session_id}_paused_extensions"; } } if ( static::is_safe_css_declaration( $css_property, $css_value ) ) { $declarations[] = array( 'name' => $css_property, 'value' => $css_value, ); } } $layout_selector = sprintf( '.%s%s', $class_name, $base_style_rule['selector'] ); $block_rules .= static::to_ruleset( $layout_selector, $declarations ); } } } } } return $block_rules; } /** * Creates new rulesets as classes for each preset value such as: * * .has-value-color { * color: value; * } * * .has-value-background-color { * background-color: value; * } * * .has-value-font-size { * font-size: value; * } * * .has-value-gradient-background { * background: value; * } * * p.has-value-gradient-background { * background: value; * } * * @since 5.9.0 * * @param array $setting_nodes Nodes with settings. * @param string[] $origins List of origins to process presets from. * @return string The new stylesheet. */ protected function get_preset_classes( $setting_nodes, $origins ) { $preset_rules = ''; foreach ( $setting_nodes as $metadata ) { if ( null === $metadata['selector'] ) { continue; } $selector = $metadata['selector']; $node = _wp_array_get( $this->theme_json, $metadata['path'], array() ); $preset_rules .= static::compute_preset_classes( $node, $selector, $origins ); } return $preset_rules; } /** * Converts each styles section into a list of rulesets * to be appended to the stylesheet. * These rulesets contain all the css variables (custom variables and preset variables). * * See glossary at https://developer.mozilla.org/en-US/docs/Web/CSS/Syntax * * For each section this creates a new ruleset such as: * * block-selector { * --wp--preset--category--slug: value; * --wp--custom--variable: value; * } * * @since 5.8.0 * @since 5.9.0 Added the `$origins` parameter. * * @param array $nodes Nodes with settings. * @param string[] $origins List of origins to process. * @return string The new stylesheet. */ protected function get_css_variables( $nodes, $origins ) { $stylesheet = ''; foreach ( $nodes as $metadata ) { if ( null === $metadata['selector'] ) { continue; } $selector = $metadata['selector']; $node = _wp_array_get( $this->theme_json, $metadata['path'], array() ); $declarations = static::compute_preset_vars( $node, $origins ); $theme_vars_declarations = static::compute_theme_vars( $node ); foreach ( $theme_vars_declarations as $theme_vars_declaration ) { $declarations[] = $theme_vars_declaration; } $stylesheet .= static::to_ruleset( $selector, $declarations ); } return $stylesheet; } /** * Given a selector and a declaration list, * creates the corresponding ruleset. * * @since 5.8.0 * * @param string $selector CSS selector. * @param array $declarations List of declarations. * @return string The resulting CSS ruleset. */ protected static function to_ruleset( $selector, $declarations ) { if ( empty( $declarations ) ) { return ''; } $declaration_block = array_reduce( $declarations, static function ( $carry, $element ) { return $carry .= $element['name'] . ': ' . $element['value'] . ';'; }, '' ); return $selector . '{' . $declaration_block . '}'; } /** * Given a settings array, returns the generated rulesets * for the preset classes. * * @since 5.8.0 * @since 5.9.0 Added the `$origins` parameter. * @since 6.6.0 Added check for root CSS properties selector. * * @param array $settings Settings to process. * @param string $selector Selector wrapping the classes. * @param string[] $origins List of origins to process. * @return string The result of processing the presets. */ protected static function compute_preset_classes( $settings, $selector, $origins ) { if ( static::ROOT_BLOCK_SELECTOR === $selector || static::ROOT_CSS_PROPERTIES_SELECTOR === $selector ) { /* * Classes at the global level do not need any CSS prefixed, * and we don't want to increase its specificity. */ $selector = ''; } $stylesheet = ''; foreach ( static::PRESETS_METADATA as $preset_metadata ) { if ( empty( $preset_metadata['classes'] ) ) { continue; } $slugs = static::get_settings_slugs( $settings, $preset_metadata, $origins ); foreach ( $preset_metadata['classes'] as $class => $property ) { foreach ( $slugs as $slug ) { $css_var = static::replace_slug_in_string( $preset_metadata['css_vars'], $slug ); $class_name = static::replace_slug_in_string( $class, $slug ); // $selector is often empty, so we can save ourselves the `append_to_selector()` call then. $new_selector = '' === $selector ? $class_name : static::append_to_selector( $selector, $class_name ); $stylesheet .= static::to_ruleset( $new_selector, array( array( 'name' => $property, 'value' => 'var(' . $css_var . ') !important', ), ) ); } } } return $stylesheet; } /** * Function that scopes a selector with another one. This works a bit like * SCSS nesting except the `&` operator isn't supported. * * * $scope = '.a, .b .c'; * $selector = '> .x, .y'; * $merged = scope_selector( $scope, $selector ); * // $merged is '.a > .x, .a .y, .b .c > .x, .b .c .y' * * * @since 5.9.0 * @since 6.6.0 Added early return if missing scope or selector. * * @param string $scope Selector to scope to. * @param string $selector Original selector. * @return string Scoped selector. */ public static function scope_selector( $scope, $selector ) { if ( ! $scope || ! $selector ) { return $selector; } $scopes = explode( ',', $scope ); $selectors = explode( ',', $selector ); $selectors_scoped = array(); foreach ( $scopes as $outer ) { foreach ( $selectors as $inner ) { $outer = trim( $outer ); $inner = trim( $inner ); if ( ! empty( $outer ) && ! empty( $inner ) ) { $selectors_scoped[] = $outer . ' ' . $inner; } elseif ( empty( $outer ) ) { $selectors_scoped[] = $inner; } elseif ( empty( $inner ) ) { $selectors_scoped[] = $outer; } } } $result = implode( ', ', $selectors_scoped ); return $result; } /** * Scopes the selectors for a given style node. * * This includes the primary selector, i.e. `$node['selector']`, as well as any custom * selectors for features and subfeatures, e.g. `$node['selectors']['border']` etc. * * @since 6.6.0 * * @param string $scope Selector to scope to. * @param array $node Style node with selectors to scope. * @return array Node with updated selectors. */ protected static function scope_style_node_selectors( $scope, $node ) { $node['selector'] = static::scope_selector( $scope, $node['selector'] ); if ( empty( $node['selectors'] ) ) { return $node; } foreach ( $node['selectors'] as $feature => $selector ) { if ( is_string( $selector ) ) { $node['selectors'][ $feature ] = static::scope_selector( $scope, $selector ); } if ( is_array( $selector ) ) { foreach ( $selector as $subfeature => $subfeature_selector ) { $node['selectors'][ $feature ][ $subfeature ] = static::scope_selector( $scope, $subfeature_selector ); } } } return $node; } /** * Gets preset values keyed by slugs based on settings and metadata. * * * $settings = array( * 'typography' => array( * 'fontFamilies' => array( * array( * 'slug' => 'sansSerif', * 'fontFamily' => '"Helvetica Neue", sans-serif', * ), * array( * 'slug' => 'serif', * 'colors' => 'Georgia, serif', * ) * ), * ), * ); * $meta = array( * 'path' => array( 'typography', 'fontFamilies' ), * 'value_key' => 'fontFamily', * ); * $values_by_slug = get_settings_values_by_slug(); * // $values_by_slug === array( * // 'sans-serif' => '"Helvetica Neue", sans-serif', * // 'serif' => 'Georgia, serif', * // ); * * * @since 5.9.0 * @since 6.6.0 Passing $settings to the callbacks defined in static::PRESETS_METADATA. * * @param array $settings Settings to process. * @param array $preset_metadata One of the PRESETS_METADATA values. * @param string[] $origins List of origins to process. * @return array Array of presets where each key is a slug and each value is the preset value. */ protected static function get_settings_values_by_slug( $settings, $preset_metadata, $origins ) { $preset_per_origin = _wp_array_get( $settings, $preset_metadata['path'], array() ); $result = array(); foreach ( $origins as $origin ) { if ( ! isset( $preset_per_origin[ $origin ] ) ) { continue; } foreach ( $preset_per_origin[ $origin ] as $preset ) { $slug = _wp_to_kebab_case( $preset['slug'] ); $value = ''; if ( isset( $preset_metadata['value_key'], $preset[ $preset_metadata['value_key'] ] ) ) { $value_key = $preset_metadata['value_key']; $value = $preset[ $value_key ]; } elseif ( isset( $preset_metadata['value_func'] ) && is_callable( $preset_metadata['value_func'] ) ) { $value_func = $preset_metadata['value_func']; $value = call_user_func( $value_func, $preset, $settings ); } else { // If we don't have a value, then don't add it to the result. continue; } $result[ $slug ] = $value; } } return $result; } /** * Similar to get_settings_values_by_slug, but doesn't compute the value. * * @since 5.9.0 * * @param array $settings Settings to process. * @param array $preset_metadata One of the PRESETS_METADATA values. * @param string[] $origins List of origins to process. * @return array Array of presets where the key and value are both the slug. */ protected static function get_settings_slugs( $settings, $preset_metadata, $origins = null ) { if ( null === $origins ) { $origins = static::VALID_ORIGINS; } $preset_per_origin = _wp_array_get( $settings, $preset_metadata['path'], array() ); $result = array(); foreach ( $origins as $origin ) { if ( ! isset( $preset_per_origin[ $origin ] ) ) { continue; } foreach ( $preset_per_origin[ $origin ] as $preset ) { $slug = _wp_to_kebab_case( $preset['slug'] ); // Use the array as a set so we don't get duplicates. $result[ $slug ] = $slug; } } return $result; } /** * Transforms a slug into a CSS Custom Property. * * @since 5.9.0 * * @param string $input String to replace. * @param string $slug The slug value to use to generate the custom property. * @return string The CSS Custom Property. Something along the lines of `--wp--preset--color--black`. */ protected static function replace_slug_in_string( $input, $slug ) { return strtr( $input, array( '$slug' => $slug ) ); } /** * Given the block settings, extracts the CSS Custom Properties * for the presets and adds them to the $declarations array * following the format: * * array( * 'name' => 'property_name', * 'value' => 'property_value, * ) * * @since 5.8.0 * @since 5.9.0 Added the `$origins` parameter. * * @param array $settings Settings to process. * @param string[] $origins List of origins to process. * @return array The modified $declarations. */ protected static function compute_preset_vars( $settings, $origins ) { $declarations = array(); foreach ( static::PRESETS_METADATA as $preset_metadata ) { if ( empty( $preset_metadata['css_vars'] ) ) { continue; } $values_by_slug = static::get_settings_values_by_slug( $settings, $preset_metadata, $origins ); foreach ( $values_by_slug as $slug => $value ) { $declarations[] = array( 'name' => static::replace_slug_in_string( $preset_metadata['css_vars'], $slug ), 'value' => $value, ); } } return $declarations; } /** * Given an array of settings, extracts the CSS Custom Properties * for the custom values and adds them to the $declarations * array following the format: * * array( * 'name' => 'property_name', * 'value' => 'property_value, * ) * * @since 5.8.0 * * @param array $settings Settings to process. * @return array The modified $declarations. */ protected static function compute_theme_vars( $settings ) { $declarations = array(); $custom_values = isset( $settings['custom'] ) ? $settings['custom'] : array(); $css_vars = static::flatten_tree( $custom_values ); foreach ( $css_vars as $key => $value ) { $declarations[] = array( 'name' => '--wp--custom--' . $key, 'value' => $value, ); } return $declarations; } /** * Given a tree, it creates a flattened one * by merging the keys and binding the leaf values * to the new keys. * * It also transforms camelCase names into kebab-case * and substitutes '/' by '-'. * * This is thought to be useful to generate * CSS Custom Properties from a tree, * although there's nothing in the implementation * of this function that requires that format. * * For example, assuming the given prefix is '--wp' * and the token is '--', for this input tree: * * { * 'some/property': 'value', * 'nestedProperty': { * 'sub-property': 'value' * } * } * * it'll return this output: * * { * '--wp--some-property': 'value', * '--wp--nested-property--sub-property': 'value' * } * * @since 5.8.0 * * @param array $tree Input tree to process. * @param string $prefix Optional. Prefix to prepend to each variable. Default empty string. * @param string $token Optional. Token to use between levels. Default '--'. * @return array The flattened tree. */ protected static function flatten_tree( $tree, $prefix = '', $token = '--' ) { $result = array(); foreach ( $tree as $property => $value ) { $new_key = $prefix . str_replace( '/', '-', strtolower( _wp_to_kebab_case( $property ) ) ); if ( is_array( $value ) ) { $new_prefix = $new_key . $token; $flattened_subtree = static::flatten_tree( $value, $new_prefix, $token ); foreach ( $flattened_subtree as $subtree_key => $subtree_value ) { $result[ $subtree_key ] = $subtree_value; } } else { $result[ $new_key ] = $value; } } return $result; } /** * Given a styles array, it extracts the style properties * and adds them to the $declarations array following the format: * * array( * 'name' => 'property_name', * 'value' => 'property_value, * ) * * @since 5.8.0 * @since 5.9.0 Added the `$settings` and `$properties` parameters. * @since 6.1.0 Added `$theme_json`, `$selector`, and `$use_root_padding` parameters. * @since 6.5.0 Output a `min-height: unset` rule when `aspect-ratio` is set. * @since 6.6.0 Pass current theme JSON settings to wp_get_typography_font_size_value(), and process background properties. * * @param array $styles Styles to process. * @param array $settings Theme settings. * @param array $properties Properties metadata. * @param array $theme_json Theme JSON array. * @param string $selector The style block selector. * @param boolean $use_root_padding Whether to add custom properties at root level. * @return array Returns the modified $declarations. */ protected static function compute_style_properties( $styles, $settings = array(), $properties = null, $theme_json = null, $selector = null, $use_root_padding = null ) { if ( null === $properties ) { $properties = static::PROPERTIES_METADATA; } $declarations = array(); if ( empty( $styles ) ) { return $declarations; } $root_variable_duplicates = array(); foreach ( $properties as $css_property => $value_path ) { $value = static::get_property_value( $styles, $value_path, $theme_json ); if ( str_starts_with( $css_property, '--wp--style--root--' ) && ( static::ROOT_BLOCK_SELECTOR !== $selector || ! $use_root_padding ) ) { continue; } /* * Root-level padding styles don't currently support strings with CSS shorthand values. * This may change: https://github.com/WordPress/gutenberg/issues/40132. */ if ( '--wp--style--root--padding' === $css_property && is_string( $value ) ) { continue; } if ( str_starts_with( $css_property, '--wp--style--root--' ) && $use_root_padding ) { $root_variable_duplicates[] = substr( $css_property, strlen( '--wp--style--root--' ) ); } /* * Look up protected properties, keyed by value path. * Skip protected properties that are explicitly set to `null`. */ if ( is_array( $value_path ) ) { $path_string = implode( '.', $value_path ); if ( isset( static::PROTECTED_PROPERTIES[ $path_string ] ) && _wp_array_get( $settings, static::PROTECTED_PROPERTIES[ $path_string ], null ) === null ) { continue; } } // Processes background styles. if ( 'background' === $value_path[0] && isset( $styles['background'] ) ) { $background_styles = wp_style_engine_get_styles( array( 'background' => $styles['background'] ) ); $value = isset( $background_styles['declarations'][ $css_property ] ) ? $background_styles['declarations'][ $css_property ] : $value; } // Skip if empty and not "0" or value represents array of longhand values. $has_missing_value = empty( $value ) && ! is_numeric( $value ); if ( $has_missing_value || is_array( $value ) ) { continue; } // Calculates fluid typography rules where available. if ( 'font-size' === $css_property ) { /* * wp_get_typography_font_size_value() will check * if fluid typography has been activated and also * whether the incoming value can be converted to a fluid value. * Values that already have a clamp() function will not pass the test, * and therefore the original $value will be returned. * Pass the current theme_json settings to override any global settings. */ $value = wp_get_typography_font_size_value( array( 'size' => $value ), $settings ); } if ( 'aspect-ratio' === $css_property ) { // For aspect ratio to work, other dimensions rules must be unset. // This ensures that a fixed height does not override the aspect ratio. $declarations[] = array( 'name' => 'min-height', 'value' => 'unset', ); } $declarations[] = array( 'name' => $css_property, 'value' => $value, ); } // If a variable value is added to the root, the corresponding property should be removed. foreach ( $root_variable_duplicates as $duplicate ) { $discard = array_search( $duplicate, array_column( $declarations, 'name' ), true ); if ( is_numeric( $discard ) ) { array_splice( $declarations, $discard, 1 ); } } return $declarations; } /** * Returns the style property for the given path. * * It also converts references to a path to the value * stored at that location, e.g. * { "ref": "style.color.background" } => "#fff". * * @since 5.8.0 * @since 5.9.0 Added support for values of array type, which are returned as is. * @since 6.1.0 Added the `$theme_json` parameter. * @since 6.3.0 It no longer converts the internal format "var:preset|color|secondary" * to the standard form "--wp--preset--color--secondary". * This is already done by the sanitize method, * so every property will be in the standard form. * * @param array $styles Styles subtree. * @param array $path Which property to process. * @param array $theme_json Theme JSON array. * @return string|array Style property value. */ protected static function get_property_value( $styles, $path, $theme_json = null ) { $value = _wp_array_get( $styles, $path, '' ); if ( '' === $value || null === $value ) { // No need to process the value further. return ''; } /* * This converts references to a path to the value at that path * where the values is an array with a "ref" key, pointing to a path. * For example: { "ref": "style.color.background" } => "#fff". */ if ( is_array( $value ) && isset( $value['ref'] ) ) { $value_path = explode( '.', $value['ref'] ); $ref_value = _wp_array_get( $theme_json, $value_path ); // Only use the ref value if we find anything. if ( ! empty( $ref_value ) && is_string( $ref_value ) ) { $value = $ref_value; } if ( is_array( $ref_value ) && isset( $ref_value['ref'] ) ) { $path_string = json_encode( $path ); $ref_value_string = json_encode( $ref_value ); _doing_it_wrong( 'get_property_value', sprintf( /* translators: 1: theme.json, 2: Value name, 3: Value path, 4: Another value name. */ __( 'Your %1$s file uses a dynamic value (%2$s) for the path at %3$s. However, the value at %3$s is also a dynamic value (pointing to %4$s) and pointing to another dynamic value is not supported. Please update %3$s to point directly to %4$s.' ), 'theme.json', $ref_value_string, $path_string, $ref_value['ref'] ), '6.1.0' ); } } if ( is_array( $value ) ) { return $value; } return $value; } /** * Builds metadata for the setting nodes, which returns in the form of: * * [ * [ * 'path' => ['path', 'to', 'some', 'node' ], * 'selector' => 'CSS selector for some node' * ], * [ * 'path' => [ 'path', 'to', 'other', 'node' ], * 'selector' => 'CSS selector for other node' * ], * ] * * @since 5.8.0 * * @param array $theme_json The tree to extract setting nodes from. * @param array $selectors List of selectors per block. * @return array An array of setting nodes metadata. */ protected static function get_setting_nodes( $theme_json, $selectors = array() ) { $nodes = array(); if ( ! isset( $theme_json['settings'] ) ) { return $nodes; } // Top-level. $nodes[] = array( 'path' => array( 'settings' ), 'selector' => static::ROOT_CSS_PROPERTIES_SELECTOR, ); // Calculate paths for blocks. if ( ! isset( $theme_json['settings']['blocks'] ) ) { return $nodes; } foreach ( $theme_json['settings']['blocks'] as $name => $node ) { $selector = null; if ( isset( $selectors[ $name ]['selector'] ) ) { $selector = $selectors[ $name ]['selector']; } $nodes[] = array( 'path' => array( 'settings', 'blocks', $name ), 'selector' => $selector, ); } return $nodes; } /** * Builds metadata for the style nodes, which returns in the form of: * * [ * [ * 'path' => [ 'path', 'to', 'some', 'node' ], * 'selector' => 'CSS selector for some node', * 'duotone' => 'CSS selector for duotone for some node' * ], * [ * 'path' => ['path', 'to', 'other', 'node' ], * 'selector' => 'CSS selector for other node', * 'duotone' => null * ], * ] * * @since 5.8.0 * @since 6.6.0 Added options array for modifying generated nodes. * * @param array $theme_json The tree to extract style nodes from. * @param array $selectors List of selectors per block. * @param array $options { * Optional. An array of options for now used for internal purposes only (may change without notice). * * @type bool $include_block_style_variations Includes style nodes for block style variations. Default false. * } * @return array An array of style nodes metadata. */ protected static function get_style_nodes( $theme_json, $selectors = array(), $options = array() ) { $nodes = array(); if ( ! isset( $theme_json['styles'] ) ) { return $nodes; } // Top-level. $nodes[] = array( 'path' => array( 'styles' ), 'selector' => static::ROOT_BLOCK_SELECTOR, ); if ( isset( $theme_json['styles']['elements'] ) ) { foreach ( self::ELEMENTS as $element => $selector ) { if ( ! isset( $theme_json['styles']['elements'][ $element ] ) ) { continue; } $nodes[] = array( 'path' => array( 'styles', 'elements', $element ), 'selector' => static::ELEMENTS[ $element ], ); // Handle any pseudo selectors for the element. if ( isset( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $element ] ) ) { foreach ( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $element ] as $pseudo_selector ) { if ( isset( $theme_json['styles']['elements'][ $element ][ $pseudo_selector ] ) ) { $nodes[] = array( 'path' => array( 'styles', 'elements', $element ), 'selector' => static::append_to_selector( static::ELEMENTS[ $element ], $pseudo_selector ), ); } } } } } // Blocks. if ( ! isset( $theme_json['styles']['blocks'] ) ) { return $nodes; } $block_nodes = static::get_block_nodes( $theme_json, $selectors, $options ); foreach ( $block_nodes as $block_node ) { $nodes[] = $block_node; } /** * Filters the list of style nodes with metadata. * * This allows for things like loading block CSS independently. * * @since 6.1.0 * * @param array $nodes Style nodes with metadata. */ return apply_filters( 'wp_theme_json_get_style_nodes', $nodes ); } /** * A public helper to get the block nodes from a theme.json file. * * @since 6.1.0 * * @return array The block nodes in theme.json. */ public function get_styles_block_nodes() { return static::get_block_nodes( $this->theme_json ); } /** * Returns a filtered declarations array if there is a separator block with only a background * style defined in theme.json by adding a color attribute to reflect the changes in the front. * * @since 6.1.1 * * @param array $declarations List of declarations. * @return array $declarations List of declarations filtered. */ private static function update_separator_declarations( $declarations ) { $background_color = ''; $border_color_matches = false; $text_color_matches = false; foreach ( $declarations as $declaration ) { if ( 'background-color' === $declaration['name'] && ! $background_color && isset( $declaration['value'] ) ) { $background_color = $declaration['value']; } elseif ( 'border-color' === $declaration['name'] ) { $border_color_matches = true; } elseif ( 'color' === $declaration['name'] ) { $text_color_matches = true; } if ( $background_color && $border_color_matches && $text_color_matches ) { break; } } if ( $background_color && ! $border_color_matches && ! $text_color_matches ) { $declarations[] = array( 'name' => 'color', 'value' => $background_color, ); } return $declarations; } /** * An internal method to get the block nodes from a theme.json file. * * @since 6.1.0 * @since 6.3.0 Refactored and stabilized selectors API. * @since 6.6.0 Added optional selectors and options for generating block nodes. * * @param array $theme_json The theme.json converted to an array. * @param array $selectors Optional list of selectors per block. * @param array $options { * Optional. An array of options for now used for internal purposes only (may change without notice). * * @type bool $include_block_style_variations Includes nodes for block style variations. Default false. * } * @return array The block nodes in theme.json. */ private static function get_block_nodes( $theme_json, $selectors = array(), $options = array() ) { $selectors = empty( $selectors ) ? static::get_blocks_metadata() : $selectors; $nodes = array(); if ( ! isset( $theme_json['styles'] ) ) { return $nodes; } // Blocks. if ( ! isset( $theme_json['styles']['blocks'] ) ) { return $nodes; } foreach ( $theme_json['styles']['blocks'] as $name => $node ) { $selector = null; if ( isset( $selectors[ $name ]['selector'] ) ) { $selector = $selectors[ $name ]['selector']; } $duotone_selector = null; if ( isset( $selectors[ $name ]['duotone'] ) ) { $duotone_selector = $selectors[ $name ]['duotone']; } $feature_selectors = null; if ( isset( $selectors[ $name ]['selectors'] ) ) { $feature_selectors = $selectors[ $name ]['selectors']; } $variation_selectors = array(); $include_variations = $options['include_block_style_variations'] ?? false; if ( $include_variations && isset( $node['variations'] ) ) { foreach ( $node['variations'] as $variation => $node ) { $variation_selectors[] = array( 'path' => array( 'styles', 'blocks', $name, 'variations', $variation ), 'selector' => $selectors[ $name ]['styleVariations'][ $variation ], ); } } $nodes[] = array( 'name' => $name, 'path' => array( 'styles', 'blocks', $name ), 'selector' => $selector, 'selectors' => $feature_selectors, 'duotone' => $duotone_selector, 'features' => $feature_selectors, 'variations' => $variation_selectors, ); if ( isset( $theme_json['styles']['blocks'][ $name ]['elements'] ) ) { foreach ( $theme_json['styles']['blocks'][ $name ]['elements'] as $element => $node ) { $nodes[] = array( 'path' => array( 'styles', 'blocks', $name, 'elements', $element ), 'selector' => $selectors[ $name ]['elements'][ $element ], ); // Handle any pseudo selectors for the element. if ( isset( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $element ] ) ) { foreach ( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $element ] as $pseudo_selector ) { if ( isset( $theme_json['styles']['blocks'][ $name ]['elements'][ $element ][ $pseudo_selector ] ) ) { $nodes[] = array( 'path' => array( 'styles', 'blocks', $name, 'elements', $element ), 'selector' => static::append_to_selector( $selectors[ $name ]['elements'][ $element ], $pseudo_selector ), ); } } } } } } return $nodes; } /** * Gets the CSS rules for a particular block from theme.json. * * @since 6.1.0 * @since 6.6.0 Setting a min-height of HTML when root styles have a background gradient or image. * Updated general global styles specificity to 0-1-0. * Fixed custom CSS output in block style variations. * * @param array $block_metadata Metadata about the block to get styles for. * * @return string Styles for the block. */ public function get_styles_for_block( $block_metadata ) { $node = _wp_array_get( $this->theme_json, $block_metadata['path'], array() ); $use_root_padding = isset( $this->theme_json['settings']['useRootPaddingAwareAlignments'] ) && true === $this->theme_json['settings']['useRootPaddingAwareAlignments']; $selector = $block_metadata['selector']; $settings = isset( $this->theme_json['settings'] ) ? $this->theme_json['settings'] : array(); $feature_declarations = static::get_feature_declarations_for_node( $block_metadata, $node ); $is_root_selector = static::ROOT_BLOCK_SELECTOR === $selector; // If there are style variations, generate the declarations for them, including any feature selectors the block may have. $style_variation_declarations = array(); $style_variation_custom_css = array(); if ( ! empty( $block_metadata['variations'] ) ) { foreach ( $block_metadata['variations'] as $style_variation ) { $style_variation_node = _wp_array_get( $this->theme_json, $style_variation['path'], array() ); $clean_style_variation_selector = trim( $style_variation['selector'] ); // Generate any feature/subfeature style declarations for the current style variation. $variation_declarations = static::get_feature_declarations_for_node( $block_metadata, $style_variation_node ); // Combine selectors with style variation's selector and add to overall style variation declarations. foreach ( $variation_declarations as $current_selector => $new_declarations ) { // If current selector includes block classname, remove it but leave the whitespace in. $shortened_selector = str_replace( $block_metadata['selector'] . ' ', ' ', $current_selector ); // Prepend the variation selector to the current selector. $split_selectors = explode( ',', $shortened_selector ); $updated_selectors = array_map( static function ( $split_selector ) use ( $clean_style_variation_selector ) { return $clean_style_variation_selector . $split_selector; }, $split_selectors ); $combined_selectors = implode( ',', $updated_selectors ); // Add the new declarations to the overall results under the modified selector. $style_variation_declarations[ $combined_selectors ] = $new_declarations; } // Compute declarations for remaining styles not covered by feature level selectors. $style_variation_declarations[ $style_variation['selector'] ] = static::compute_style_properties( $style_variation_node, $settings, null, $this->theme_json ); // Store custom CSS for the style variation. if ( isset( $style_variation_node['css'] ) ) { $style_variation_custom_css[ $style_variation['selector'] ] = $this->process_blocks_custom_css( $style_variation_node['css'], $style_variation['selector'] ); } } } /* * Get a reference to element name from path. * $block_metadata['path'] = array( 'styles','elements','link' ); * Make sure that $block_metadata['path'] describes an element node, like [ 'styles', 'element', 'link' ]. * Skip non-element paths like just ['styles']. */ $is_processing_element = in_array( 'elements', $block_metadata['path'], true ); $current_element = $is_processing_element ? $block_metadata['path'][ count( $block_metadata['path'] ) - 1 ] : null; $element_pseudo_allowed = array(); if ( isset( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $current_element ] ) ) { $element_pseudo_allowed = static::VALID_ELEMENT_PSEUDO_SELECTORS[ $current_element ]; } /* * Check for allowed pseudo classes (e.g. ":hover") from the $selector ("a:hover"). * This also resets the array keys. */ $pseudo_matches = array_values( array_filter( $element_pseudo_allowed, static function ( $pseudo_selector ) use ( $selector ) { return str_contains( $selector, $pseudo_selector ); } ) ); $pseudo_selector = isset( $pseudo_matches[0] ) ? $pseudo_matches[0] : null; /* * If the current selector is a pseudo selector that's defined in the allow list for the current * element then compute the style properties for it. * Otherwise just compute the styles for the default selector as normal. */ if ( $pseudo_selector && isset( $node[ $pseudo_selector ] ) && isset( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $current_element ] ) && in_array( $pseudo_selector, static::VALID_ELEMENT_PSEUDO_SELECTORS[ $current_element ], true ) ) { $declarations = static::compute_style_properties( $node[ $pseudo_selector ], $settings, null, $this->theme_json, $selector, $use_root_padding ); } else { $declarations = static::compute_style_properties( $node, $settings, null, $this->theme_json, $selector, $use_root_padding ); } $block_rules = ''; /* * 1. Bespoke declaration modifiers: * - 'filter': Separate the declarations that use the general selector * from the ones using the duotone selector. * - 'background|background-image': set the html min-height to 100% * to ensure the background covers the entire viewport. */ $declarations_duotone = array(); $should_set_root_min_height = false; foreach ( $declarations as $index => $declaration ) { if ( 'filter' === $declaration['name'] ) { /* * 'unset' filters happen when a filter is unset * in the site-editor UI. Because the 'unset' value * in the user origin overrides the value in the * theme origin, we can skip rendering anything * here as no filter needs to be applied anymore. * So only add declarations to with values other * than 'unset'. */ if ( 'unset' !== $declaration['value'] ) { $declarations_duotone[] = $declaration; } unset( $declarations[ $index ] ); } if ( $is_root_selector && ( 'background-image' === $declaration['name'] || 'background' === $declaration['name'] ) ) { $should_set_root_min_height = true; } } /* * If root styles has a background-image or a background (gradient) set, * set the min-height to '100%'. Minus `--wp-admin--admin-bar--height` for logged-in view. * Setting the CSS rule on the HTML tag ensures background gradients and images behave similarly, * and matches the behavior of the site editor. */ if ( $should_set_root_min_height ) { $block_rules .= static::to_ruleset( 'html', array( array( 'name' => 'min-height', 'value' => 'calc(100% - var(--wp-admin--admin-bar--height, 0px))', ), ) ); } // Update declarations if there are separators with only background color defined. if ( '.wp-block-separator' === $selector ) { $declarations = static::update_separator_declarations( $declarations ); } // 2. Generate and append the rules that use the general selector. $block_rules .= static::to_ruleset( ":root :where($selector)", $declarations ); // 3. Generate and append the rules that use the duotone selector. if ( isset( $block_metadata['duotone'] ) && ! empty( $declarations_duotone ) ) { $block_rules .= static::to_ruleset( $block_metadata['duotone'], $declarations_duotone ); } // 4. Generate Layout block gap styles. if ( ! $is_root_selector && ! empty( $block_metadata['name'] ) ) { $block_rules .= $this->get_layout_styles( $block_metadata ); } // 5. Generate and append the feature level rulesets. foreach ( $feature_declarations as $feature_selector => $individual_feature_declarations ) { $block_rules .= static::to_ruleset( ":root :where($feature_selector)", $individual_feature_declarations ); } // 6. Generate and append the style variation rulesets. foreach ( $style_variation_declarations as $style_variation_selector => $individual_style_variation_declarations ) { $block_rules .= static::to_ruleset( ":root :where($style_variation_selector)", $individual_style_variation_declarations ); if ( isset( $style_variation_custom_css[ $style_variation_selector ] ) ) { $block_rules .= $style_variation_custom_css[ $style_variation_selector ]; } } // 7. Generate and append any custom CSS rules pertaining to nested block style variations. if ( isset( $node['css'] ) && ! $is_root_selector ) { $block_rules .= $this->process_blocks_custom_css( $node['css'], $selector ); } return $block_rules; } /** * Outputs the CSS for layout rules on the root. * * @since 6.1.0 * @since 6.6.0 Use `ROOT_CSS_PROPERTIES_SELECTOR` for CSS custom properties and improved consistency of root padding rules. * Updated specificity of body margin reset and first/last child selectors. * * @param string $selector The root node selector. * @param array $block_metadata The metadata for the root block. * @return string The additional root rules CSS. */ public function get_root_layout_rules( $selector, $block_metadata ) { $css = ''; $settings = isset( $this->theme_json['settings'] ) ? $this->theme_json['settings'] : array(); $use_root_padding = isset( $this->theme_json['settings']['useRootPaddingAwareAlignments'] ) && true === $this->theme_json['settings']['useRootPaddingAwareAlignments']; /* * If there are content and wide widths in theme.json, output them * as custom properties on the body element so all blocks can use them. */ if ( isset( $settings['layout']['contentSize'] ) || isset( $settings['layout']['wideSize'] ) ) { $content_size = isset( $settings['layout']['contentSize'] ) ? $settings['layout']['contentSize'] : $settings['layout']['wideSize']; $content_size = static::is_safe_css_declaration( 'max-width', $content_size ) ? $content_size : 'initial'; $wide_size = isset( $settings['layout']['wideSize'] ) ? $settings['layout']['wideSize'] : $settings['layout']['contentSize']; $wide_size = static::is_safe_css_declaration( 'max-width', $wide_size ) ? $wide_size : 'initial'; $css .= static::ROOT_CSS_PROPERTIES_SELECTOR . ' { --wp--style--global--content-size: ' . $content_size . ';'; $css .= '--wp--style--global--wide-size: ' . $wide_size . '; }'; } /* * Reset default browser margin on the body element. * This is set on the body selector **before** generating the ruleset * from the `theme.json`. This is to ensure that if the `theme.json` declares * `margin` in its `spacing` declaration for the `body` element then these * user-generated values take precedence in the CSS cascade. * @link https://github.com/WordPress/gutenberg/issues/36147. */ $css .= ':where(body) { margin: 0; }'; if ( $use_root_padding ) { // Top and bottom padding are applied to the outer block container. $css .= '.wp-site-blocks { padding-top: var(--wp--style--root--padding-top); padding-bottom: var(--wp--style--root--padding-bottom); }'; // Right and left padding are applied to the first container with `.has-global-padding` class. $css .= '.has-global-padding { padding-right: var(--wp--style--root--padding-right); padding-left: var(--wp--style--root--padding-left); }'; // Alignfull children of the container with left and right padding have negative margins so they can still be full width. $css .= '.has-global-padding > .alignfull { margin-right: calc(var(--wp--style--root--padding-right) * -1); margin-left: calc(var(--wp--style--root--padding-left) * -1); }'; // Nested children of the container with left and right padding that are not full aligned do not get padding, unless they are direct children of an alignfull flow container. $css .= '.has-global-padding :where(:not(.alignfull.is-layout-flow) > .has-global-padding:not(.wp-block-block, .alignfull)) { padding-right: 0; padding-left: 0; }'; // Alignfull direct children of the containers that are targeted by the rule above do not need negative margins. $css .= '.has-global-padding :where(:not(.alignfull.is-layout-flow) > .has-global-padding:not(.wp-block-block, .alignfull)) > .alignfull { margin-left: 0; margin-right: 0; }'; } $css .= '.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }'; $css .= '.wp-site-blocks > .alignright { float: right; margin-left: 2em; }'; $css .= '.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }'; // Block gap styles will be output unless explicitly set to `null`. See static::PROTECTED_PROPERTIES. if ( isset( $this->theme_json['settings']['spacing']['blockGap'] ) ) { $block_gap_value = static::get_property_value( $this->theme_json, array( 'styles', 'spacing', 'blockGap' ) ); $css .= ":where(.wp-site-blocks) > * { margin-block-start: $block_gap_value; margin-block-end: 0; }"; $css .= ':where(.wp-site-blocks) > :first-child { margin-block-start: 0; }'; $css .= ':where(.wp-site-blocks) > :last-child { margin-block-end: 0; }'; // For backwards compatibility, ensure the legacy block gap CSS variable is still available. $css .= static::ROOT_CSS_PROPERTIES_SELECTOR . " { --wp--style--block-gap: $block_gap_value; }"; } $css .= $this->get_layout_styles( $block_metadata ); return $css; } /** * For metadata values that can either be booleans or paths to booleans, gets the value. * * $data = array( * 'color' => array( * 'defaultPalette' => true * ) * ); * * static::get_metadata_boolean( $data, false ); * // => false * * static::get_metadata_boolean( $data, array( 'color', 'defaultPalette' ) ); * // => true * * @since 6.0.0 * * @param array $data The data to inspect. * @param bool|array $path Boolean or path to a boolean. * @param bool $default_value Default value if the referenced path is missing. * Default false. * @return bool Value of boolean metadata. */ protected static function get_metadata_boolean( $data, $path, $default_value = false ) { if ( is_bool( $path ) ) { return $path; } if ( is_array( $path ) ) { $value = _wp_array_get( $data, $path ); if ( null !== $value ) { return $value; } } return $default_value; } /** * Merges new incoming data. * * @since 5.8.0 * @since 5.9.0 Duotone preset also has origins. * * @param WP_Theme_JSON $incoming Data to merge. */ public function merge( $incoming ) { $incoming_data = $incoming->get_raw_data(); $this->theme_json = array_replace_recursive( $this->theme_json, $incoming_data ); /* * Recompute all the spacing sizes based on the new hierarchy of data. In the constructor * spacingScale and spacingSizes are both keyed by origin and VALID_ORIGINS is ordered, so * we can allow partial spacingScale data to inherit missing data from earlier layers when * computing the spacing sizes. * * This happens before the presets are merged to ensure that default spacing sizes can be * removed from the theme origin if $prevent_override is true. */ $flattened_spacing_scale = array(); foreach ( static::VALID_ORIGINS as $origin ) { $scale_path = array( 'settings', 'spacing', 'spacingScale', $origin ); // Apply the base spacing scale to the current layer. $base_spacing_scale = _wp_array_get( $this->theme_json, $scale_path, array() ); $flattened_spacing_scale = array_replace( $flattened_spacing_scale, $base_spacing_scale ); $spacing_scale = _wp_array_get( $incoming_data, $scale_path, null ); if ( ! isset( $spacing_scale ) ) { continue; } // Allow partial scale settings by merging with lower layers. $flattened_spacing_scale = array_replace( $flattened_spacing_scale, $spacing_scale ); // Generate and merge the scales for this layer. $sizes_path = array( 'settings', 'spacing', 'spacingSizes', $origin ); $spacing_sizes = _wp_array_get( $incoming_data, $sizes_path, array() ); $spacing_scale_sizes = static::compute_spacing_sizes( $flattened_spacing_scale ); $merged_spacing_sizes = static::merge_spacing_sizes( $spacing_scale_sizes, $spacing_sizes ); _wp_array_set( $incoming_data, $sizes_path, $merged_spacing_sizes ); } /* * The array_replace_recursive algorithm merges at the leaf level, * but we don't want leaf arrays to be merged, so we overwrite it. * * For leaf values that are sequential arrays it will use the numeric indexes for replacement. * We rather replace the existing with the incoming value, if it exists. * This is the case of spacing.units. * * For leaf values that are associative arrays it will merge them as expected. * This is also not the behavior we want for the current associative arrays (presets). * We rather replace the existing with the incoming value, if it exists. * This happens, for example, when we merge data from theme.json upon existing * theme supports or when we merge anything coming from the same source twice. * This is the case of color.palette, color.gradients, color.duotone, * typography.fontSizes, or typography.fontFamilies. * * Additionally, for some preset types, we also want to make sure the * values they introduce don't conflict with default values. We do so * by checking the incoming slugs for theme presets and compare them * with the equivalent default presets: if a slug is present as a default * we remove it from the theme presets. */ $nodes = static::get_setting_nodes( $incoming_data ); $slugs_global = static::get_default_slugs( $this->theme_json, array( 'settings' ) ); foreach ( $nodes as $node ) { // Replace the spacing.units. $path = $node['path']; $path[] = 'spacing'; $path[] = 'units'; $content = _wp_array_get( $incoming_data, $path, null ); if ( isset( $content ) ) { _wp_array_set( $this->theme_json, $path, $content ); } // Replace the presets. foreach ( static::PRESETS_METADATA as $preset_metadata ) { $prevent_override = $preset_metadata['prevent_override']; if ( is_array( $prevent_override ) ) { $prevent_override = _wp_array_get( $this->theme_json['settings'], $preset_metadata['prevent_override'] ); } foreach ( static::VALID_ORIGINS as $origin ) { $base_path = $node['path']; foreach ( $preset_metadata['path'] as $leaf ) { $base_path[] = $leaf; } $path = $base_path; $path[] = $origin; $content = _wp_array_get( $incoming_data, $path, null ); if ( ! isset( $content ) ) { continue; } // Set names for theme presets based on the slug if they are not set and can use default names. if ( 'theme' === $origin && $preset_metadata['use_default_names'] ) { foreach ( $content as $key => $item ) { if ( ! isset( $item['name'] ) ) { $name = static::get_name_from_defaults( $item['slug'], $base_path ); if ( null !== $name ) { $content[ $key ]['name'] = $name; } } } } // Filter out default slugs from theme presets when defaults should not be overridden. if ( 'theme' === $origin && $prevent_override ) { $slugs_node = static::get_default_slugs( $this->theme_json, $node['path'] ); $preset_global = _wp_array_get( $slugs_global, $preset_metadata['path'], array() ); $preset_node = _wp_array_get( $slugs_node, $preset_metadata['path'], array() ); $preset_slugs = array_merge_recursive( $preset_global, $preset_node ); $content = static::filter_slugs( $content, $preset_slugs ); } _wp_array_set( $this->theme_json, $path, $content ); } } } } /** * Converts all filter (duotone) presets into SVGs. * * @since 5.9.1 * * @param array $origins List of origins to process. * @return string SVG filters. */ public function get_svg_filters( $origins ) { $blocks_metadata = static::get_blocks_metadata(); $setting_nodes = static::get_setting_nodes( $this->theme_json, $blocks_metadata ); $filters = ''; foreach ( $setting_nodes as $metadata ) { $node = _wp_array_get( $this->theme_json, $metadata['path'], array() ); if ( empty( $node['color']['duotone'] ) ) { continue; } $duotone_presets = $node['color']['duotone']; foreach ( $origins as $origin ) { if ( ! isset( $duotone_presets[ $origin ] ) ) { continue; } foreach ( $duotone_presets[ $origin ] as $duotone_preset ) { $filters .= wp_get_duotone_filter_svg( $duotone_preset ); } } } return $filters; } /** * Determines whether a presets should be overridden or not. * * @since 5.9.0 * @deprecated 6.0.0 Use {@see 'get_metadata_boolean'} instead. * * @param array $theme_json The theme.json like structure to inspect. * @param array $path Path to inspect. * @param bool|array $override Data to compute whether to override the preset. * @return bool */ protected static function should_override_preset( $theme_json, $path, $override ) { _deprecated_function( __METHOD__, '6.0.0', 'get_metadata_boolean' ); if ( is_bool( $override ) ) { return $override; } /* * The relationship between whether to override the defaults * and whether the defaults are enabled is inverse: * * - If defaults are enabled => theme presets should not be overridden * - If defaults are disabled => theme presets should be overridden * * For example, a theme sets defaultPalette to false, * making the default palette hidden from the user. * In that case, we want all the theme presets to be present, * so they should override the defaults. */ if ( is_array( $override ) ) { $value = _wp_array_get( $theme_json, array_merge( $path, $override ) ); if ( isset( $value ) ) { return ! $value; } // Search the top-level key if none was found for this node. $value = _wp_array_get( $theme_json, array_merge( array( 'settings' ), $override ) ); if ( isset( $value ) ) { return ! $value; } return true; } } /** * Returns the default slugs for all the presets in an associative array * whose keys are the preset paths and the leaves is the list of slugs. * * For example: * * array( * 'color' => array( * 'palette' => array( 'slug-1', 'slug-2' ), * 'gradients' => array( 'slug-3', 'slug-4' ), * ), * ) * * @since 5.9.0 * * @param array $data A theme.json like structure. * @param array $node_path The path to inspect. It's 'settings' by default. * @return array */ protected static function get_default_slugs( $data, $node_path ) { $slugs = array(); foreach ( static::PRESETS_METADATA as $metadata ) { $path = $node_path; foreach ( $metadata['path'] as $leaf ) { $path[] = $leaf; } $path[] = 'default'; $preset = _wp_array_get( $data, $path, null ); if ( ! isset( $preset ) ) { continue; } $slugs_for_preset = array(); foreach ( $preset as $item ) { if ( isset( $item['slug'] ) ) { $slugs_for_preset[] = $item['slug']; } } _wp_array_set( $slugs, $metadata['path'], $slugs_for_preset ); } return $slugs; } /** * Gets a `default`'s preset name by a provided slug. * * @since 5.9.0 * * @param string $slug The slug we want to find a match from default presets. * @param array $base_path The path to inspect. It's 'settings' by default. * @return string|null */ protected function get_name_from_defaults( $slug, $base_path ) { $path = $base_path; $path[] = 'default'; $default_content = _wp_array_get( $this->theme_json, $path, null ); if ( ! $default_content ) { return null; } foreach ( $default_content as $item ) { if ( $slug === $item['slug'] ) { return $item['name']; } } return null; } /** * Removes the preset values whose slug is equal to any of given slugs. * * @since 5.9.0 * * @param array $node The node with the presets to validate. * @param array $slugs The slugs that should not be overridden. * @return array The new node. */ protected static function filter_slugs( $node, $slugs ) { if ( empty( $slugs ) ) { return $node; } $new_node = array(); foreach ( $node as $value ) { if ( isset( $value['slug'] ) && ! in_array( $value['slug'], $slugs, true ) ) { $new_node[] = $value; } } return $new_node; } /** * Removes insecure data from theme.json. * * @since 5.9.0 * @since 6.3.2 Preserves global styles block variations when securing styles. * @since 6.6.0 Updated to allow variation element styles and $origin parameter. * * @param array $theme_json Structure to sanitize. * @param string $origin Optional. What source of data this object represents. * One of 'blocks', 'default', 'theme', or 'custom'. Default 'theme'. * @return array Sanitized structure. */ public static function remove_insecure_properties( $theme_json, $origin = 'theme' ) { if ( ! in_array( $origin, static::VALID_ORIGINS, true ) ) { $origin = 'theme'; } $sanitized = array(); $theme_json = WP_Theme_JSON_Schema::migrate( $theme_json, $origin ); $valid_block_names = array_keys( static::get_blocks_metadata() ); $valid_element_names = array_keys( static::ELEMENTS ); $valid_variations = static::get_valid_block_style_variations(); $theme_json = static::sanitize( $theme_json, $valid_block_names, $valid_element_names, $valid_variations ); $blocks_metadata = static::get_blocks_metadata(); $style_options = array( 'include_block_style_variations' => true ); // Allow variations data. $style_nodes = static::get_style_nodes( $theme_json, $blocks_metadata, $style_options ); foreach ( $style_nodes as $metadata ) { $input = _wp_array_get( $theme_json, $metadata['path'], array() ); if ( empty( $input ) ) { continue; } // The global styles custom CSS is not sanitized, but can only be edited by users with 'edit_css' capability. if ( isset( $input['css'] ) && current_user_can( 'edit_css' ) ) { $output = $input; } else { $output = static::remove_insecure_styles( $input ); } /* * Get a reference to element name from path. * $metadata['path'] = array( 'styles', 'elements', 'link' ); */ $current_element = $metadata['path'][ count( $metadata['path'] ) - 1 ]; /* * $output is stripped of pseudo selectors. Re-add and process them * or insecure styles here. */ if ( isset( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $current_element ] ) ) { foreach ( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $current_element ] as $pseudo_selector ) { if ( isset( $input[ $pseudo_selector ] ) ) { $output[ $pseudo_selector ] = static::remove_insecure_styles( $input[ $pseudo_selector ] ); } } } if ( ! empty( $output ) ) { _wp_array_set( $sanitized, $metadata['path'], $output ); } if ( isset( $metadata['variations'] ) ) { foreach ( $metadata['variations'] as $variation ) { $variation_input = _wp_array_get( $theme_json, $variation['path'], array() ); if ( empty( $variation_input ) ) { continue; } $variation_output = static::remove_insecure_styles( $variation_input ); // Process a variation's elements and element pseudo selector styles. if ( isset( $variation_input['elements'] ) ) { foreach ( $valid_element_names as $element_name ) { $element_input = $variation_input['elements'][ $element_name ] ?? null; if ( $element_input ) { $element_output = static::remove_insecure_styles( $element_input ); if ( isset( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $element_name ] ) ) { foreach ( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $element_name ] as $pseudo_selector ) { if ( isset( $element_input[ $pseudo_selector ] ) ) { $element_output[ $pseudo_selector ] = static::remove_insecure_styles( $element_input[ $pseudo_selector ] ); } } } if ( ! empty( $element_output ) ) { _wp_array_set( $variation_output, array( 'elements', $element_name ), $element_output ); } } } } if ( ! empty( $variation_output ) ) { _wp_array_set( $sanitized, $variation['path'], $variation_output ); } } } } $setting_nodes = static::get_setting_nodes( $theme_json ); foreach ( $setting_nodes as $metadata ) { $input = _wp_array_get( $theme_json, $metadata['path'], array() ); if ( empty( $input ) ) { continue; } $output = static::remove_insecure_settings( $input ); if ( ! empty( $output ) ) { _wp_array_set( $sanitized, $metadata['path'], $output ); } } if ( empty( $sanitized['styles'] ) ) { unset( $theme_json['styles'] ); } else { $theme_json['styles'] = $sanitized['styles']; } if ( empty( $sanitized['settings'] ) ) { unset( $theme_json['settings'] ); } else { $theme_json['settings'] = $sanitized['settings']; } return $theme_json; } /** * Processes a setting node and returns the same node * without the insecure settings. * * @since 5.9.0 * * @param array $input Node to process. * @return array */ protected static function remove_insecure_settings( $input ) { $output = array(); foreach ( static::PRESETS_METADATA as $preset_metadata ) { foreach ( static::VALID_ORIGINS as $origin ) { $path_with_origin = $preset_metadata['path']; $path_with_origin[] = $origin; $presets = _wp_array_get( $input, $path_with_origin, null ); if ( null === $presets ) { continue; } $escaped_preset = array(); foreach ( $presets as $preset ) { if ( esc_attr( esc_html( $preset['name'] ) ) === $preset['name'] && sanitize_html_class( $preset['slug'] ) === $preset['slug'] ) { $value = null; if ( isset( $preset_metadata['value_key'], $preset[ $preset_metadata['value_key'] ] ) ) { $value = $preset[ $preset_metadata['value_key'] ]; } elseif ( isset( $preset_metadata['value_func'] ) && is_callable( $preset_metadata['value_func'] ) ) { $value = call_user_func( $preset_metadata['value_func'], $preset ); } $preset_is_valid = true; foreach ( $preset_metadata['properties'] as $property ) { if ( ! static::is_safe_css_declaration( $property, $value ) ) { $preset_is_valid = false; break; } } if ( $preset_is_valid ) { $escaped_preset[] = $preset; } } } if ( ! empty( $escaped_preset ) ) { _wp_array_set( $output, $path_with_origin, $escaped_preset ); } } } // Ensure indirect properties not included in any `PRESETS_METADATA` value are allowed. static::remove_indirect_properties( $input, $output ); return $output; } /** * Processes a style node and returns the same node * without the insecure styles. * * @since 5.9.0 * * @param array $input Node to process. * @return array */ protected static function remove_insecure_styles( $input ) { $output = array(); $declarations = static::compute_style_properties( $input ); foreach ( $declarations as $declaration ) { if ( static::is_safe_css_declaration( $declaration['name'], $declaration['value'] ) ) { $path = static::PROPERTIES_METADATA[ $declaration['name'] ]; /* * Check the value isn't an array before adding so as to not * double up shorthand and longhand styles. */ $value = _wp_array_get( $input, $path, array() ); if ( ! is_array( $value ) ) { _wp_array_set( $output, $path, $value ); } } } // Ensure indirect properties not handled by `compute_style_properties` are allowed. static::remove_indirect_properties( $input, $output ); return $output; } /** * Checks that a declaration provided by the user is safe. * * @since 5.9.0 * * @param string $property_name Property name in a CSS declaration, i.e. the `color` in `color: red`. * @param string $property_value Value in a CSS declaration, i.e. the `red` in `color: red`. * @return bool */ protected static function is_safe_css_declaration( $property_name, $property_value ) { $style_to_validate = $property_name . ': ' . $property_value; $filtered = esc_html( safecss_filter_attr( $style_to_validate ) ); return ! empty( trim( $filtered ) ); } /** * Removes indirect properties from the given input node and * sets in the given output node. * * @since 6.2.0 * * @param array $input Node to process. * @param array $output The processed node. Passed by reference. */ private static function remove_indirect_properties( $input, &$output ) { foreach ( static::INDIRECT_PROPERTIES_METADATA as $property => $paths ) { foreach ( $paths as $path ) { $value = _wp_array_get( $input, $path ); if ( is_string( $value ) && static::is_safe_css_declaration( $property, $value ) ) { _wp_array_set( $output, $path, $value ); } } } } /** * Returns the raw data. * * @since 5.8.0 * * @return array Raw data. */ public function get_raw_data() { return $this->theme_json; } /** * Transforms the given editor settings according the * add_theme_support format to the theme.json format. * * @since 5.8.0 * * @param array $settings Existing editor settings. * @return array Config that adheres to the theme.json schema. */ public static function get_from_editor_settings( $settings ) { $theme_settings = array( 'version' => static::LATEST_SCHEMA, 'settings' => array(), ); // Deprecated theme supports. if ( isset( $settings['disableCustomColors'] ) ) { $theme_settings['settings']['color']['custom'] = ! $settings['disableCustomColors']; } if ( isset( $settings['disableCustomGradients'] ) ) { $theme_settings['settings']['color']['customGradient'] = ! $settings['disableCustomGradients']; } if ( isset( $settings['disableCustomFontSizes'] ) ) { $theme_settings['settings']['typography']['customFontSize'] = ! $settings['disableCustomFontSizes']; } if ( isset( $settings['enableCustomLineHeight'] ) ) { $theme_settings['settings']['typography']['lineHeight'] = $settings['enableCustomLineHeight']; } if ( isset( $settings['enableCustomUnits'] ) ) { $theme_settings['settings']['spacing']['units'] = ( true === $settings['enableCustomUnits'] ) ? array( 'px', 'em', 'rem', 'vh', 'vw', '%' ) : $settings['enableCustomUnits']; } if ( isset( $settings['colors'] ) ) { $theme_settings['settings']['color']['palette'] = $settings['colors']; } if ( isset( $settings['gradients'] ) ) { $theme_settings['settings']['color']['gradients'] = $settings['gradients']; } if ( isset( $settings['fontSizes'] ) ) { $font_sizes = $settings['fontSizes']; // Back-compatibility for presets without units. foreach ( $font_sizes as $key => $font_size ) { if ( is_numeric( $font_size['size'] ) ) { $font_sizes[ $key ]['size'] = $font_size['size'] . 'px'; } } $theme_settings['settings']['typography']['fontSizes'] = $font_sizes; } if ( isset( $settings['enableCustomSpacing'] ) ) { $theme_settings['settings']['spacing']['padding'] = $settings['enableCustomSpacing']; } if ( isset( $settings['spacingSizes'] ) ) { $theme_settings['settings']['spacing']['spacingSizes'] = $settings['spacingSizes']; } return $theme_settings; } /** * Returns the current theme's wanted patterns(slugs) to be * registered from Pattern Directory. * * @since 6.0.0 * * @return string[] */ public function get_patterns() { if ( isset( $this->theme_json['patterns'] ) && is_array( $this->theme_json['patterns'] ) ) { return $this->theme_json['patterns']; } return array(); } /** * Returns a valid theme.json as provided by a theme. * * Unlike get_raw_data() this returns the presets flattened, as provided by a theme. * This also uses appearanceTools instead of their opt-ins if all of them are true. * * @since 6.0.0 * * @return array */ public function get_data() { $output = $this->theme_json; $nodes = static::get_setting_nodes( $output ); /** * Flatten the theme & custom origins into a single one. * * For example, the following: * * { * "settings": { * "color": { * "palette": { * "theme": [ {} ], * "custom": [ {} ] * } * } * } * } * * will be converted to: * * { * "settings": { * "color": { * "palette": [ {} ] * } * } * } */ foreach ( $nodes as $node ) { foreach ( static::PRESETS_METADATA as $preset_metadata ) { $path = $node['path']; foreach ( $preset_metadata['path'] as $preset_metadata_path ) { $path[] = $preset_metadata_path; } $preset = _wp_array_get( $output, $path, null ); if ( null === $preset ) { continue; } $items = array(); if ( isset( $preset['theme'] ) ) { foreach ( $preset['theme'] as $item ) { $slug = $item['slug']; unset( $item['slug'] ); $items[ $slug ] = $item; } } if ( isset( $preset['custom'] ) ) { foreach ( $preset['custom'] as $item ) { $slug = $item['slug']; unset( $item['slug'] ); $items[ $slug ] = $item; } } $flattened_preset = array(); foreach ( $items as $slug => $value ) { $flattened_preset[] = array_merge( array( 'slug' => (string) $slug ), $value ); } _wp_array_set( $output, $path, $flattened_preset ); } } /* * If all of the static::APPEARANCE_TOOLS_OPT_INS are true, * this code unsets them and sets 'appearanceTools' instead. */ foreach ( $nodes as $node ) { $all_opt_ins_are_set = true; foreach ( static::APPEARANCE_TOOLS_OPT_INS as $opt_in_path ) { $full_path = $node['path']; foreach ( $opt_in_path as $opt_in_path_item ) { $full_path[] = $opt_in_path_item; } /* * Use "unset prop" as a marker instead of "null" because * "null" can be a valid value for some props (e.g. blockGap). */ $opt_in_value = _wp_array_get( $output, $full_path, 'unset prop' ); if ( 'unset prop' === $opt_in_value ) { $all_opt_ins_are_set = false; break; } } if ( $all_opt_ins_are_set ) { $node_path_with_appearance_tools = $node['path']; $node_path_with_appearance_tools[] = 'appearanceTools'; _wp_array_set( $output, $node_path_with_appearance_tools, true ); foreach ( static::APPEARANCE_TOOLS_OPT_INS as $opt_in_path ) { $full_path = $node['path']; foreach ( $opt_in_path as $opt_in_path_item ) { $full_path[] = $opt_in_path_item; } /* * Use "unset prop" as a marker instead of "null" because * "null" can be a valid value for some props (e.g. blockGap). */ $opt_in_value = _wp_array_get( $output, $full_path, 'unset prop' ); if ( true !== $opt_in_value ) { continue; } /* * The following could be improved to be path independent. * At the moment it relies on a couple of assumptions: * * - all opt-ins having a path of size 2. * - there's two sources of settings: the top-level and the block-level. */ if ( ( 1 === count( $node['path'] ) ) && ( 'settings' === $node['path'][0] ) ) { // Top-level settings. unset( $output['settings'][ $opt_in_path[0] ][ $opt_in_path[1] ] ); if ( empty( $output['settings'][ $opt_in_path[0] ] ) ) { unset( $output['settings'][ $opt_in_path[0] ] ); } } elseif ( ( 3 === count( $node['path'] ) ) && ( 'settings' === $node['path'][0] ) && ( 'blocks' === $node['path'][1] ) ) { // Block-level settings. $block_name = $node['path'][2]; unset( $output['settings']['blocks'][ $block_name ][ $opt_in_path[0] ][ $opt_in_path[1] ] ); if ( empty( $output['settings']['blocks'][ $block_name ][ $opt_in_path[0] ] ) ) { unset( $output['settings']['blocks'][ $block_name ][ $opt_in_path[0] ] ); } } } } } wp_recursive_ksort( $output ); return $output; } /** * Sets the spacingSizes array based on the spacingScale values from theme.json. * * @since 6.1.0 * @deprecated 6.6.0 No longer used as the spacingSizes are automatically * generated in the constructor and merge methods instead * of manually after instantiation. * * @return null|void */ public function set_spacing_sizes() { _deprecated_function( __METHOD__, '6.6.0' ); $spacing_scale = isset( $this->theme_json['settings']['spacing']['spacingScale'] ) ? $this->theme_json['settings']['spacing']['spacingScale'] : array(); if ( ! isset( $spacing_scale['steps'] ) || ! is_numeric( $spacing_scale['steps'] ) || ! isset( $spacing_scale['mediumStep'] ) || ! isset( $spacing_scale['unit'] ) || ! isset( $spacing_scale['operator'] ) || ! isset( $spacing_scale['increment'] ) || ! isset( $spacing_scale['steps'] ) || ! is_numeric( $spacing_scale['increment'] ) || ! is_numeric( $spacing_scale['mediumStep'] ) || ( '+' !== $spacing_scale['operator'] && '*' !== $spacing_scale['operator'] ) ) { if ( ! empty( $spacing_scale ) ) { wp_trigger_error( __METHOD__, sprintf( /* translators: 1: theme.json, 2: settings.spacing.spacingScale */ __( 'Some of the %1$s %2$s values are invalid' ), 'theme.json', 'settings.spacing.spacingScale' ), E_USER_NOTICE ); } return null; } // If theme authors want to prevent the generation of the core spacing scale they can set their theme.json spacingScale.steps to 0. if ( 0 === $spacing_scale['steps'] ) { return null; } $spacing_sizes = static::compute_spacing_sizes( $spacing_scale ); // If there are 7 or fewer steps in the scale revert to numbers for labels instead of t-shirt sizes. if ( $spacing_scale['steps'] <= 7 ) { for ( $spacing_sizes_count = 0; $spacing_sizes_count < count( $spacing_sizes ); $spacing_sizes_count++ ) { $spacing_sizes[ $spacing_sizes_count ]['name'] = (string) ( $spacing_sizes_count + 1 ); } } _wp_array_set( $this->theme_json, array( 'settings', 'spacing', 'spacingSizes', 'default' ), $spacing_sizes ); } /** * Merges two sets of spacing size presets. * * @since 6.6.0 * * @param array $base The base set of spacing sizes. * @param array $incoming The set of spacing sizes to merge with the base. Duplicate slugs will override the base values. * @return array The merged set of spacing sizes. */ private static function merge_spacing_sizes( $base, $incoming ) { // Preserve the order if there are no base (spacingScale) values. if ( empty( $base ) ) { return $incoming; } $merged = array(); foreach ( $base as $item ) { $merged[ $item['slug'] ] = $item; } foreach ( $incoming as $item ) { $merged[ $item['slug'] ] = $item; } ksort( $merged, SORT_NUMERIC ); return array_values( $merged ); } /** * Generates a set of spacing sizes by starting with a medium size and * applying an operator with an increment value to generate the rest of the * sizes outward from the medium size. The medium slug is '50' with the rest * of the slugs being 10 apart. The generated names use t-shirt sizing. * * Example: * * $spacing_scale = array( * 'steps' => 4, * 'mediumStep' => 16, * 'unit' => 'px', * 'operator' => '+', * 'increment' => 2, * ); * $spacing_sizes = static::compute_spacing_sizes( $spacing_scale ); * // -> array( * // array( 'name' => 'Small', 'slug' => '40', 'size' => '14px' ), * // array( 'name' => 'Medium', 'slug' => '50', 'size' => '16px' ), * // array( 'name' => 'Large', 'slug' => '60', 'size' => '18px' ), * // array( 'name' => 'X-Large', 'slug' => '70', 'size' => '20px' ), * // ) * * @since 6.6.0 * * @param array $spacing_scale { * The spacing scale values. All are required. * * @type int $steps The number of steps in the scale. (up to 10 steps are supported.) * @type float $mediumStep The middle value that gets the slug '50'. (For even number of steps, this becomes the first middle value.) * @type string $unit The CSS unit to use for the sizes. * @type string $operator The mathematical operator to apply to generate the other sizes. Either '+' or '*'. * @type float $increment The value used with the operator to generate the other sizes. * } * @return array The spacing sizes presets or an empty array if some spacing scale values are missing or invalid. */ private static function compute_spacing_sizes( $spacing_scale ) { /* * This condition is intentionally missing some checks on ranges for the values in order to * keep backwards compatibility with the previous implementation. */ if ( ! isset( $spacing_scale['steps'] ) || ! is_numeric( $spacing_scale['steps'] ) || 0 === $spacing_scale['steps'] || ! isset( $spacing_scale['mediumStep'] ) || ! is_numeric( $spacing_scale['mediumStep'] ) || ! isset( $spacing_scale['unit'] ) || ! isset( $spacing_scale['operator'] ) || ( '+' !== $spacing_scale['operator'] && '*' !== $spacing_scale['operator'] ) || ! isset( $spacing_scale['increment'] ) || ! is_numeric( $spacing_scale['increment'] ) ) { return array(); } $unit = '%' === $spacing_scale['unit'] ? '%' : sanitize_title( $spacing_scale['unit'] ); $current_step = $spacing_scale['mediumStep']; $steps_mid_point = round( $spacing_scale['steps'] / 2, 0 ); $x_small_count = null; $below_sizes = array(); $slug = 40; $remainder = 0; for ( $below_midpoint_count = $steps_mid_point - 1; $spacing_scale['steps'] > 1 && $slug > 0 && $below_midpoint_count > 0; $below_midpoint_count-- ) { if ( '+' === $spacing_scale['operator'] ) { $current_step -= $spacing_scale['increment']; } elseif ( $spacing_scale['increment'] > 1 ) { $current_step /= $spacing_scale['increment']; } else { $current_step *= $spacing_scale['increment']; } if ( $current_step <= 0 ) { $remainder = $below_midpoint_count; break; } $below_sizes[] = array( /* translators: %s: Digit to indicate multiple of sizing, eg. 2X-Small. */ 'name' => $below_midpoint_count === $steps_mid_point - 1 ? __( 'Small' ) : sprintf( __( '%sX-Small' ), (string) $x_small_count ), 'slug' => (string) $slug, 'size' => round( $current_step, 2 ) . $unit, ); if ( $below_midpoint_count === $steps_mid_point - 2 ) { $x_small_count = 2; } if ( $below_midpoint_count < $steps_mid_point - 2 ) { ++$x_small_count; } $slug -= 10; } $below_sizes = array_reverse( $below_sizes ); $below_sizes[] = array( 'name' => __( 'Medium' ), 'slug' => '50', 'size' => $spacing_scale['mediumStep'] . $unit, ); $current_step = $spacing_scale['mediumStep']; $x_large_count = null; $above_sizes = array(); $slug = 60; $steps_above = ( $spacing_scale['steps'] - $steps_mid_point ) + $remainder; for ( $above_midpoint_count = 0; $above_midpoint_count < $steps_above; $above_midpoint_count++ ) { $current_step = '+' === $spacing_scale['operator'] ? $current_step + $spacing_scale['increment'] : ( $spacing_scale['increment'] >= 1 ? $current_step * $spacing_scale['increment'] : $current_step / $spacing_scale['increment'] ); $above_sizes[] = array( /* translators: %s: Digit to indicate multiple of sizing, eg. 2X-Large. */ 'name' => 0 === $above_midpoint_count ? __( 'Large' ) : sprintf( __( '%sX-Large' ), (string) $x_large_count ), 'slug' => (string) $slug, 'size' => round( $current_step, 2 ) . $unit, ); if ( 1 === $above_midpoint_count ) { $x_large_count = 2; } if ( $above_midpoint_count > 1 ) { ++$x_large_count; } $slug += 10; } $spacing_sizes = $below_sizes; foreach ( $above_sizes as $above_sizes_item ) { $spacing_sizes[] = $above_sizes_item; } return $spacing_sizes; } /** * This is used to convert the internal representation of variables to the CSS representation. * For example, `var:preset|color|vivid-green-cyan` becomes `var(--wp--preset--color--vivid-green-cyan)`. * * @since 6.3.0 * @param string $value The variable such as var:preset|color|vivid-green-cyan to convert. * @return string The converted variable. */ private static function convert_custom_properties( $value ) { $prefix = 'var:'; $prefix_len = strlen( $prefix ); $token_in = '|'; $token_out = '--'; if ( str_starts_with( $value, $prefix ) ) { $unwrapped_name = str_replace( $token_in, $token_out, substr( $value, $prefix_len ) ); $value = "var(--wp--$unwrapped_name)"; } return $value; } /** * Given a tree, converts the internal representation of variables to the CSS representation. * It is recursive and modifies the input in-place. * * @since 6.3.0 * @param array $tree Input to process. * @return array The modified $tree. */ private static function resolve_custom_css_format( $tree ) { $prefix = 'var:'; foreach ( $tree as $key => $data ) { if ( is_string( $data ) && str_starts_with( $data, $prefix ) ) { $tree[ $key ] = self::convert_custom_properties( $data ); } elseif ( is_array( $data ) ) { $tree[ $key ] = self::resolve_custom_css_format( $data ); } } return $tree; } /** * Returns the selectors metadata for a block. * * @since 6.3.0 * * @param object $block_type The block type. * @param string $root_selector The block's root selector. * * @return array The custom selectors set by the block. */ protected static function get_block_selectors( $block_type, $root_selector ) { if ( ! empty( $block_type->selectors ) ) { return $block_type->selectors; } $selectors = array( 'root' => $root_selector ); foreach ( static::BLOCK_SUPPORT_FEATURE_LEVEL_SELECTORS as $key => $feature ) { $feature_selector = wp_get_block_css_selector( $block_type, $key ); if ( null !== $feature_selector ) { $selectors[ $feature ] = array( 'root' => $feature_selector ); } } return $selectors; } /** * Generates all the element selectors for a block. * * @since 6.3.0 * * @param string $root_selector The block's root CSS selector. * @return array The block's element selectors. */ protected static function get_block_element_selectors( $root_selector ) { /* * Assign defaults, then override those that the block sets by itself. * If the block selector is compounded, will append the element to each * individual block selector. */ $block_selectors = explode( ',', $root_selector ); $element_selectors = array(); foreach ( static::ELEMENTS as $el_name => $el_selector ) { $element_selector = array(); foreach ( $block_selectors as $selector ) { if ( $selector === $el_selector ) { $element_selector = array( $el_selector ); break; } $element_selector[] = static::prepend_to_selector( $el_selector, $selector . ' ' ); } $element_selectors[ $el_name ] = implode( ',', $element_selector ); } return $element_selectors; } /** * Generates style declarations for a node's features e.g., color, border, * typography etc. that have custom selectors in their related block's * metadata. * * @since 6.3.0 * * @param object $metadata The related block metadata containing selectors. * @param object $node A merged theme.json node for block or variation. * * @return array The style declarations for the node's features with custom * selectors. */ protected function get_feature_declarations_for_node( $metadata, &$node ) { $declarations = array(); if ( ! isset( $metadata['selectors'] ) ) { return $declarations; } $settings = isset( $this->theme_json['settings'] ) ? $this->theme_json['settings'] : array(); foreach ( $metadata['selectors'] as $feature => $feature_selectors ) { /* * Skip if this is the block's root selector or the block doesn't * have any styles for the feature. */ if ( 'root' === $feature || empty( $node[ $feature ] ) ) { continue; } if ( is_array( $feature_selectors ) ) { foreach ( $feature_selectors as $subfeature => $subfeature_selector ) { if ( 'root' === $subfeature || empty( $node[ $feature ][ $subfeature ] ) ) { continue; } /* * Create temporary node containing only the subfeature data * to leverage existing `compute_style_properties` function. */ $subfeature_node = array( $feature => array( $subfeature => $node[ $feature ][ $subfeature ], ), ); // Generate style declarations. $new_declarations = static::compute_style_properties( $subfeature_node, $settings, null, $this->theme_json ); // Merge subfeature declarations into feature declarations. if ( isset( $declarations[ $subfeature_selector ] ) ) { foreach ( $new_declarations as $new_declaration ) { $declarations[ $subfeature_selector ][] = $new_declaration; } } else { $declarations[ $subfeature_selector ] = $new_declarations; } /* * Remove the subfeature from the block's node now its * styles will be included under its own selector not the * block's. */ unset( $node[ $feature ][ $subfeature ] ); } } /* * Now subfeatures have been processed and removed we can process * feature root selector or simple string selector. */ if ( is_string( $feature_selectors ) || ( isset( $feature_selectors['root'] ) && $feature_selectors['root'] ) ) { $feature_selector = is_string( $feature_selectors ) ? $feature_selectors : $feature_selectors['root']; /* * Create temporary node containing only the feature data * to leverage existing `compute_style_properties` function. */ $feature_node = array( $feature => $node[ $feature ] ); // Generate the style declarations. $new_declarations = static::compute_style_properties( $feature_node, $settings, null, $this->theme_json ); /* * Merge new declarations with any that already exist for * the feature selector. This may occur when multiple block * support features use the same custom selector. */ if ( isset( $declarations[ $feature_selector ] ) ) { foreach ( $new_declarations as $new_declaration ) { $declarations[ $feature_selector ][] = $new_declaration; } } else { $declarations[ $feature_selector ] = $new_declarations; } /* * Remove the feature from the block's node now its styles * will be included under its own selector not the block's. */ unset( $node[ $feature ] ); } } return $declarations; } /** * Replaces CSS variables with their values in place. * * @since 6.3.0 * @since 6.5.0 Check for empty style before processing its value. * * @param array $styles CSS declarations to convert. * @param array $values key => value pairs to use for replacement. * @return array */ private static function convert_variables_to_value( $styles, $values ) { foreach ( $styles as $key => $style ) { if ( empty( $style ) ) { continue; } if ( is_array( $style ) ) { $styles[ $key ] = self::convert_variables_to_value( $style, $values ); continue; } if ( 0 <= strpos( $style, 'var(' ) ) { // find all the variables in the string in the form of var(--variable-name, fallback), with fallback in the second capture group. $has_matches = preg_match_all( '/var\(([^),]+)?,?\s?(\S+)?\)/', $style, $var_parts ); if ( $has_matches ) { $resolved_style = $styles[ $key ]; foreach ( $var_parts[1] as $index => $var_part ) { $key_in_values = 'var(' . $var_part . ')'; $rule_to_replace = $var_parts[0][ $index ]; // the css rule to replace e.g. var(--wp--preset--color--vivid-green-cyan). $fallback = $var_parts[2][ $index ]; // the fallback value. $resolved_style = str_replace( array( $rule_to_replace, $fallback, ), array( isset( $values[ $key_in_values ] ) ? $values[ $key_in_values ] : $rule_to_replace, isset( $values[ $fallback ] ) ? $values[ $fallback ] : $fallback, ), $resolved_style ); } $styles[ $key ] = $resolved_style; } } } return $styles; } /** * Resolves the values of CSS variables in the given styles. * * @since 6.3.0 * @param WP_Theme_JSON $theme_json The theme json resolver. * * @return WP_Theme_JSON The $theme_json with resolved variables. */ public static function resolve_variables( $theme_json ) { $settings = $theme_json->get_settings(); $styles = $theme_json->get_raw_data()['styles']; $preset_vars = static::compute_preset_vars( $settings, static::VALID_ORIGINS ); $theme_vars = static::compute_theme_vars( $settings ); $vars = array_reduce( array_merge( $preset_vars, $theme_vars ), function ( $carry, $item ) { $name = $item['name']; $carry[ "var({$name})" ] = $item['value']; return $carry; }, array() ); $theme_json->theme_json['styles'] = self::convert_variables_to_value( $styles, $vars ); return $theme_json; } /** * Generates a selector for a block style variation. * * @since 6.5.0 * * @param string $variation_name Name of the block style variation. * @param string $block_selector CSS selector for the block. * @return string Block selector with block style variation selector added to it. */ protected static function get_block_style_variation_selector( $variation_name, $block_selector ) { $variation_class = ".is-style-$variation_name"; if ( ! $block_selector ) { return $variation_class; } $limit = 1; $selector_parts = explode( ',', $block_selector ); $result = array(); foreach ( $selector_parts as $part ) { $result[] = preg_replace_callback( '/((?::\([^)]+\))?\s*)([^\s:]+)/', function ( $matches ) use ( $variation_class ) { return $matches[1] . $matches[2] . $variation_class; }, $part, $limit ); } return implode( ',', $result ); } /** * Collects valid block style variations keyed by block type. * * @since 6.6.0 * * @return array Valid block style variations by block type. */ protected static function get_valid_block_style_variations() { $valid_variations = array(); foreach ( self::get_blocks_metadata() as $block_name => $block_meta ) { if ( ! isset( $block_meta['styleVariations'] ) ) { continue; } $valid_variations[ $block_name ] = array_keys( $block_meta['styleVariations'] ); } return $valid_variations; } } * @since 3.0.0 * @since 5.6.0 No longer used in core. * * @see adjacent_posts_rel_link() */ function adjacent_posts_rel_link_wp_head() { if ( ! is_single() || is_attachment() ) { return; } adjacent_posts_rel_link(); } /** * Displays the relational link for the next post adjacent to the current post. * * @since 2.8.0 * * @see get_adjacent_post_rel_link() * * @param string $title Optional. Link title format. Default '%title'. * @param bool $in_same_term Optional. Whether link should be in the same taxonomy term. * Default false. * @param int[]|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. * Default empty. * @param string $taxonomy Optional. Taxonomy, if `$in_same_term` is true. Default 'category'. */ function next_post_rel_link( $title = '%title', $in_same_term = false, $excluded_terms = '', $taxonomy = 'category' ) { echo get_adjacent_post_rel_link( $title, $in_same_term, $excluded_terms, false, $taxonomy ); } /** * Displays the relational link for the previous post adjacent to the current post. * * @since 2.8.0 * * @see get_adjacent_post_rel_link() * * @param string $title Optional. Link title format. Default '%title'. * @param bool $in_same_term Optional. Whether link should be in the same taxonomy term. * Default false. * @param int[]|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. * Default true. * @param string $taxonomy Optional. Taxonomy, if `$in_same_term` is true. Default 'category'. */ function prev_post_rel_link( $title = '%title', $in_same_term = false, $excluded_terms = '', $taxonomy = 'category' ) { echo get_adjacent_post_rel_link( $title, $in_same_term, $excluded_terms, true, $taxonomy ); } /** * Retrieves the boundary post. * * Boundary being either the first or last post by publish date within the constraints specified * by `$in_same_term` or `$excluded_terms`. * * @since 2.8.0 * * @param bool $in_same_term Optional. Whether returned post should be in the same taxonomy term. * Default false. * @param int[]|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. * Default empty. * @param bool $start Optional. Whether to retrieve first or last post. * Default true. * @param string $taxonomy Optional. Taxonomy, if `$in_same_term` is true. Default 'category'. * @return array|null Array containing the boundary post object if successful, null otherwise. */ function get_boundary_post( $in_same_term = false, $excluded_terms = '', $start = true, $taxonomy = 'category' ) { $post = get_post(); if ( ! $post || ! is_single() || is_attachment() || ! taxonomy_exists( $taxonomy ) ) { return null; } $query_args = array( 'posts_per_page' => 1, 'order' => $start ? 'ASC' : 'DESC', 'update_post_term_cache' => false, 'update_post_meta_cache' => false, ); $term_array = array(); if ( ! is_array( $excluded_terms ) ) { if ( ! empty( $excluded_terms ) ) { $excluded_terms = explode( ',', $excluded_terms ); } else { $excluded_terms = array(); } } if ( $in_same_term || ! empty( $excluded_terms ) ) { if ( $in_same_term ) { $term_array = wp_get_object_terms( $post->ID, $taxonomy, array( 'fields' => 'ids' ) ); } if ( ! empty( $excluded_terms ) ) { $excluded_terms = array_map( 'intval', $excluded_terms ); $excluded_terms = array_diff( $excluded_terms, $term_array ); $inverse_terms = array(); foreach ( $excluded_terms as $excluded_term ) { $inverse_terms[] = $excluded_term * -1; } $excluded_terms = $inverse_terms; } $query_args['tax_query'] = array( array( 'taxonomy' => $taxonomy, 'terms' => array_merge( $term_array, $excluded_terms ), ), ); } return get_posts( $query_args ); } /** * Retrieves the previous post link that is adjacent to the current post. * * @since 3.7.0 * * @param string $format Optional. Link anchor format. Default '« %link'. * @param string $link Optional. Link permalink format. Default '%title'. * @param bool $in_same_term Optional. Whether link should be in the same taxonomy term. * Default false. * @param int[]|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. * Default empty. * @param string $taxonomy Optional. Taxonomy, if `$in_same_term` is true. Default 'category'. * @return string The link URL of the previous post in relation to the current post. */ function get_previous_post_link( $format = '« %link', $link = '%title', $in_same_term = false, $excluded_terms = '', $taxonomy = 'category' ) { return get_adjacent_post_link( $format, $link, $in_same_term, $excluded_terms, true, $taxonomy ); } /** * Displays the previous post link that is adjacent to the current post. * * @since 1.5.0 * * @see get_previous_post_link() * * @param string $format Optional. Link anchor format. Default '« %link'. * @param string $link Optional. Link permalink format. Default '%title'. * @param bool $in_same_term Optional. Whether link should be in the same taxonomy term. * Default false. * @param int[]|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. * Default empty. * @param string $taxonomy Optional. Taxonomy, if `$in_same_term` is true. Default 'category'. */ function previous_post_link( $format = '« %link', $link = '%title', $in_same_term = false, $excluded_terms = '', $taxonomy = 'category' ) { echo get_previous_post_link( $format, $link, $in_same_term, $excluded_terms, $taxonomy ); } /** * Retrieves the next post link that is adjacent to the current post. * * @since 3.7.0 * * @param string $format Optional. Link anchor format. Default '« %link'. * @param string $link Optional. Link permalink format. Default '%title'. * @param bool $in_same_term Optional. Whether link should be in the same taxonomy term. * Default false. * @param int[]|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. * Default empty. * @param string $taxonomy Optional. Taxonomy, if `$in_same_term` is true. Default 'category'. * @return string The link URL of the next post in relation to the current post. */ function get_next_post_link( $format = '%link »', $link = '%title', $in_same_term = false, $excluded_terms = '', $taxonomy = 'category' ) { return get_adjacent_post_link( $format, $link, $in_same_term, $excluded_terms, false, $taxonomy ); } /** * Displays the next post link that is adjacent to the current post. * * @since 1.5.0 * * @see get_next_post_link() * * @param string $format Optional. Link anchor format. Default '« %link'. * @param string $link Optional. Link permalink format. Default '%title'. * @param bool $in_same_term Optional. Whether link should be in the same taxonomy term. * Default false. * @param int[]|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. * Default empty. * @param string $taxonomy Optional. Taxonomy, if `$in_same_term` is true. Default 'category'. */ function next_post_link( $format = '%link »', $link = '%title', $in_same_term = false, $excluded_terms = '', $taxonomy = 'category' ) { echo get_next_post_link( $format, $link, $in_same_term, $excluded_terms, $taxonomy ); } /** * Retrieves the adjacent post link. * * Can be either next post link or previous. * * @since 3.7.0 * * @param string $format Link anchor format. * @param string $link Link permalink format. * @param bool $in_same_term Optional. Whether link should be in the same taxonomy term. * Default false. * @param int[]|string $excluded_terms Optional. Array or comma-separated list of excluded terms IDs. * Default empty. * @param bool $previous Optional. Whether to display link to previous or next post. * Default true. * @param string $taxonomy Optional. Taxonomy, if `$in_same_term` is true. Default 'category'. * @return string The link URL of the previous or next post in relation to the current post. */ function get_adjacent_post_link( $format, $link, $in_same_term = false, $excluded_terms = '', $previous = true, $taxonomy = 'category' ) { if ( $previous && is_attachment() ) { $post = get_post( get_post()->post_parent ); } else { $post = get_adjacent_post( $in_same_term, $excluded_terms, $previous, $taxonomy ); } if ( ! $post ) { $output = ''; } else { $title = $post->post_title; if ( empty( $post->post_title ) ) { $title = $previous ? __( 'Previous Post' ) : __( 'Next Post' ); } /** This filter is documented in wp-includes/post-template.php */ $title = apply_filters( 'the_title', $title, $post->ID ); $date = mysql2date( get_option( 'date_format' ), $post->post_date ); $rel = $previous ? 'prev' : 'next'; $string = ''; $inlink = str_replace( '%title', $title, $link ); $inlink = str_replace( '%date', $date, $inlink ); $inlink = $string . $inlink . ''; $output = str_replace( '%link', $inlink, $format ); } $adjacent = $previous ? 'previous' : 'next'; /** * Filters the adjacent post link. * * The dynamic portion of the hook name, `$adjacent`, refers to the type * of adjacency, 'next' or 'previous'. * * Possible hook names include: * * - `next_post_link` * - `previous_post_link` * * @since 2.6.0 * @since 4.2.0 Added the `$adjacent` parameter. * * @param string $output The adjacent post link. * @param string $format Link anchor format. * @param string $link Link permalink format. * @param WP_Post|string $post The adjacent post. Empty string if no corresponding post exists. * @param string $adjacent Whether the post is previous or next. */ return apply_filters( "{$adjacent}_post_link", $output, $format, $link, $post, $adjacent ); } /** * Displays the adjacent post link. * * Can be either next post link or previous. * * @since 2.5.0 * * @param string $format Link anchor format. * @param string $link Link permalink format. * @param bool $in_same_term Optional. Whether link should be in the same taxonomy term. * Default false. * @param int[]|string $excluded_terms Optional. Array or comma-separated list of excluded category IDs. * Default empty. * @param bool $previous Optional. Whether to display link to previous or next post. * Default true. * @param string $taxonomy Optional. Taxonomy, if `$in_same_term` is true. Default 'category'. */ function adjacent_post_link( $format, $link, $in_same_term = false, $excluded_terms = '', $previous = true, $taxonomy = 'category' ) { echo get_adjacent_post_link( $format, $link, $in_same_term, $excluded_terms, $previous, $taxonomy ); } /** * Retrieves the link for a page number. * * @since 1.5.0 * * @global WP_Rewrite $wp_rewrite WordPress rewrite component. * * @param int $pagenum Optional. Page number. Default 1. * @param bool $escape Optional. Whether to escape the URL for display, with esc_url(). * If set to false, prepares the URL with sanitize_url(). Default true. * @return string The link URL for the given page number. */ function get_pagenum_link( $pagenum = 1, $escape = true ) { global $wp_rewrite; $pagenum = (int) $pagenum; $request = remove_query_arg( 'paged' ); $home_root = parse_url( home_url() ); $home_root = ( isset( $home_root['path'] ) ) ? $home_root['path'] : ''; $home_root = preg_quote( $home_root, '|' ); $request = preg_replace( '|^' . $home_root . '|i', '', $request ); $request = preg_replace( '|^/+|', '', $request ); if ( ! $wp_rewrite->using_permalinks() || is_admin() ) { $base = trailingslashit( get_bloginfo( 'url' ) ); if ( $pagenum > 1 ) { $result = add_query_arg( 'paged', $pagenum, $base . $request ); } else { $result = $base . $request; } } else { $qs_regex = '|\?.*?$|'; preg_match( $qs_regex, $request, $qs_match ); $parts = array(); $parts[] = untrailingslashit( get_bloginfo( 'url' ) ); if ( ! empty( $qs_match[0] ) ) { $query_string = $qs_match[0]; $request = preg_replace( $qs_regex, '', $request ); } else { $query_string = ''; } $request = preg_replace( "|$wp_rewrite->pagination_base/\d+/?$|", '', $request ); $request = preg_replace( '|^' . preg_quote( $wp_rewrite->index, '|' ) . '|i', '', $request ); $request = ltrim( $request, '/' ); if ( $wp_rewrite->using_index_permalinks() && ( $pagenum > 1 || '' !== $request ) ) { $parts[] = $wp_rewrite->index; } $parts[] = untrailingslashit( $request ); if ( $pagenum > 1 ) { $parts[] = $wp_rewrite->pagination_base; $parts[] = $pagenum; } $result = user_trailingslashit( implode( '/', array_filter( $parts ) ), 'paged' ); if ( ! empty( $query_string ) ) { $result .= $query_string; } } /** * Filters the page number link for the current request. * * @since 2.5.0 * @since 5.2.0 Added the `$pagenum` argument. * * @param string $result The page number link. * @param int $pagenum The page number. */ $result = apply_filters( 'get_pagenum_link', $result, $pagenum ); if ( $escape ) { return esc_url( $result ); } else { return sanitize_url( $result ); } } /** * Retrieves the next posts page link. * * Backported from 2.1.3 to 2.0.10. * * @since 2.0.10 * * @global int $paged * * @param int $max_page Optional. Max pages. Default 0. * @return string|void The link URL for next posts page. */ function get_next_posts_page_link( $max_page = 0 ) { global $paged; if ( ! is_single() ) { if ( ! $paged ) { $paged = 1; } $next_page = (int) $paged + 1; if ( ! $max_page || $max_page >= $next_page ) { return get_pagenum_link( $next_page ); } } } /** * Displays or retrieves the next posts page link. * * @since 0.71 * * @param int $max_page Optional. Max pages. Default 0. * @param bool $display Optional. Whether to echo the link. Default true. * @return string|void The link URL for next posts page if `$display = false`. */ function next_posts( $max_page = 0, $display = true ) { $link = get_next_posts_page_link( $max_page ); $output = $link ? esc_url( $link ) : ''; if ( $display ) { echo $output; } else { return $output; } } /** * Retrieves the next posts page link. * * @since 2.7.0 * * @global int $paged * @global WP_Query $wp_query WordPress Query object. * * @param string $label Content for link text. * @param int $max_page Optional. Max pages. Default 0. * @return string|void HTML-formatted next posts page link. */ function get_next_posts_link( $label = null, $max_page = 0 ) { global $paged, $wp_query; if ( ! $max_page ) { $max_page = $wp_query->max_num_pages; } if ( ! $paged ) { $paged = 1; } $next_page = (int) $paged + 1; if ( null === $label ) { $label = __( 'Next Page »' ); } if ( ! is_single() && ( $next_page <= $max_page ) ) { /** * Filters the anchor tag attributes for the next posts page link. * * @since 2.7.0 * * @param string $attributes Attributes for the anchor tag. */ $attr = apply_filters( 'next_posts_link_attributes', '' ); return sprintf( '%3$s', next_posts( $max_page, false ), $attr, preg_replace( '/&([^#])(?![a-z]{1,8};)/i', '&$1', $label ) ); } } /** * Displays the next posts page link. * * @since 0.71 * * @param string $label Content for link text. * @param int $max_page Optional. Max pages. Default 0. */ function next_posts_link( $label = null, $max_page = 0 ) { echo get_next_posts_link( $label, $max_page ); } /** * Retrieves the previous posts page link. * * Will only return string, if not on a single page or post. * * Backported to 2.0.10 from 2.1.3. * * @since 2.0.10 * * @global int $paged * * @return string|void The link for the previous posts page. */ function get_previous_posts_page_link() { global $paged; if ( ! is_single() ) { $previous_page = (int) $paged - 1; if ( $previous_page < 1 ) { $previous_page = 1; } return get_pagenum_link( $previous_page ); } } /** * Displays or retrieves the previous posts page link. * * @since 0.71 * * @param bool $display Optional. Whether to echo the link. Default true. * @return string|void The previous posts page link if `$display = false`. */ function previous_posts( $display = true ) { $output = esc_url( get_previous_posts_page_link() ); if ( $display ) { echo $output; } else { return $output; } } /** * Retrieves the previous posts page link. * * @since 2.7.0 * * @global int $paged * * @param string $label Optional. Previous page link text. * @return string|void HTML-formatted previous page link. */ function get_previous_posts_link( $label = null ) { global $paged; if ( null === $label ) { $label = __( '« Previous Page' ); } if ( ! is_single() && $paged > 1 ) { /** * Filters the anchor tag attributes for the previous posts page link. * * @since 2.7.0 * * @param string $attributes Attributes for the anchor tag. */ $attr = apply_filters( 'previous_posts_link_attributes', '' ); return sprintf( '%3$s', previous_posts( false ), $attr, preg_replace( '/&([^#])(?![a-z]{1,8};)/i', '&$1', $label ) ); } } /** * Displays the previous posts page link. * * @since 0.71 * * @param string $label Optional. Previous page link text. */ function previous_posts_link( $label = null ) { echo get_previous_posts_link( $label ); } /** * Retrieves the post pages link navigation for previous and next pages. * * @since 2.8.0 * * @global WP_Query $wp_query WordPress Query object. * * @param string|array $args { * Optional. Arguments to build the post pages link navigation. * * @type string $sep Separator character. Default '—'. * @type string $prelabel Link text to display for the previous page link. * Default '« Previous Page'. * @type string $nxtlabel Link text to display for the next page link. * Default 'Next Page »'. * } * @return string The posts link navigation. */ function get_posts_nav_link( $args = array() ) { global $wp_query; $return = ''; if ( ! is_singular() ) { $defaults = array( 'sep' => ' — ', 'prelabel' => __( '« Previous Page' ), 'nxtlabel' => __( 'Next Page »' ), ); $args = wp_parse_args( $args, $defaults ); $max_num_pages = $wp_query->max_num_pages; $paged = get_query_var( 'paged' ); // Only have sep if there's both prev and next results. if ( $paged < 2 || $paged >= $max_num_pages ) { $args['sep'] = ''; } if ( $max_num_pages > 1 ) { $return = get_previous_posts_link( $args['prelabel'] ); $return .= preg_replace( '/&([^#])(?![a-z]{1,8};)/i', '&$1', $args['sep'] ); $return .= get_next_posts_link( $args['nxtlabel'] ); } } return $return; } /** * Displays the post pages link navigation for previous and next pages. * * @since 0.71 * * @param string $sep Optional. Separator for posts navigation links. Default empty. * @param string $prelabel Optional. Label for previous pages. Default empty. * @param string $nxtlabel Optional Label for next pages. Default empty. */ function posts_nav_link( $sep = '', $prelabel = '', $nxtlabel = '' ) { $args = array_filter( compact( 'sep', 'prelabel', 'nxtlabel' ) ); echo get_posts_nav_link( $args ); } /** * Retrieves the navigation to next/previous post, when applicable. * * @since 4.1.0 * @since 4.4.0 Introduced the `in_same_term`, `excluded_terms`, and `taxonomy` arguments. * @since 5.3.0 Added the `aria_label` parameter. * @since 5.5.0 Added the `class` parameter. * * @param array $args { * Optional. Default post navigation arguments. Default empty array. * * @type string $prev_text Anchor text to display in the previous post link. * Default '%title'. * @type string $next_text Anchor text to display in the next post link. * Default '%title'. * @type bool $in_same_term Whether link should be in the same taxonomy term. * Default false. * @type int[]|string $excluded_terms Array or comma-separated list of excluded term IDs. * Default empty. * @type string $taxonomy Taxonomy, if `$in_same_term` is true. Default 'category'. * @type string $screen_reader_text Screen reader text for the nav element. * Default 'Post navigation'. * @type string $aria_label ARIA label text for the nav element. Default 'Posts'. * @type string $class Custom class for the nav element. Default 'post-navigation'. * } * @return string Markup for post links. */ function get_the_post_navigation( $args = array() ) { // Make sure the nav element has an aria-label attribute: fallback to the screen reader text. if ( ! empty( $args['screen_reader_text'] ) && empty( $args['aria_label'] ) ) { $args['aria_label'] = $args['screen_reader_text']; } $args = wp_parse_args( $args, array( 'prev_text' => '%title', 'next_text' => '%title', 'in_same_term' => false, 'excluded_terms' => '', 'taxonomy' => 'category', 'screen_reader_text' => __( 'Post navigation' ), 'aria_label' => __( 'Posts' ), 'class' => 'post-navigation', ) ); $navigation = ''; $previous = get_previous_post_link( '', $args['prev_text'], $args['in_same_term'], $args['excluded_terms'], $args['taxonomy'] ); $next = get_next_post_link( '', $args['next_text'], $args['in_same_term'], $args['excluded_terms'], $args['taxonomy'] ); // Only add markup if there's somewhere to navigate to. if ( $previous || $next ) { $navigation = _navigation_markup( $previous . $next, $args['class'], $args['screen_reader_text'], $args['aria_label'] ); } return $navigation; } /** * Displays the navigation to next/previous post, when applicable. * * @since 4.1.0 * * @param array $args Optional. See get_the_post_navigation() for available arguments. * Default empty array. */ function the_post_navigation( $args = array() ) { echo get_the_post_navigation( $args ); } /** * Returns the navigation to next/previous set of posts, when applicable. * * @since 4.1.0 * @since 5.3.0 Added the `aria_label` parameter. * @since 5.5.0 Added the `class` parameter. * * @global WP_Query $wp_query WordPress Query object. * * @param array $args { * Optional. Default posts navigation arguments. Default empty array. * * @type string $prev_text Anchor text to display in the previous posts link. * Default 'Older posts'. * @type string $next_text Anchor text to display in the next posts link. * Default 'Newer posts'. * @type string $screen_reader_text Screen reader text for the nav element. * Default 'Posts navigation'. * @type string $aria_label ARIA label text for the nav element. Default 'Posts'. * @type string $class Custom class for the nav element. Default 'posts-navigation'. * } * @return string Markup for posts links. */ function get_the_posts_navigation( $args = array() ) { global $wp_query; $navigation = ''; // Don't print empty markup if there's only one page. if ( $wp_query->max_num_pages > 1 ) { // Make sure the nav element has an aria-label attribute: fallback to the screen reader text. if ( ! empty( $args['screen_reader_text'] ) && empty( $args['aria_label'] ) ) { $args['aria_label'] = $args['screen_reader_text']; } $args = wp_parse_args( $args, array( 'prev_text' => __( 'Older posts' ), 'next_text' => __( 'Newer posts' ), 'screen_reader_text' => __( 'Posts navigation' ), 'aria_label' => __( 'Posts' ), 'class' => 'posts-navigation', ) ); $next_link = get_previous_posts_link( $args['next_text'] ); $prev_link = get_next_posts_link( $args['prev_text'] ); if ( $prev_link ) { $navigation .= ''; } if ( $next_link ) { $navigation .= ''; } $navigation = _navigation_markup( $navigation, $args['class'], $args['screen_reader_text'], $args['aria_label'] ); } return $navigation; } /** * Displays the navigation to next/previous set of posts, when applicable. * * @since 4.1.0 * * @param array $args Optional. See get_the_posts_navigation() for available arguments. * Default empty array. */ function the_posts_navigation( $args = array() ) { echo get_the_posts_navigation( $args ); } /** * Retrieves a paginated navigation to next/previous set of posts, when applicable. * * @since 4.1.0 * @since 5.3.0 Added the `aria_label` parameter. * @since 5.5.0 Added the `class` parameter. * * @global WP_Query $wp_query WordPress Query object. * * @param array $args { * Optional. Default pagination arguments, see paginate_links(). * * @type string $screen_reader_text Screen reader text for navigation element. * Default 'Posts navigation'. * @type string $aria_label ARIA label text for the nav element. Default 'Posts'. * @type string $class Custom class for the nav element. Default 'pagination'. * } * @return string Markup for pagination links. */ function get_the_posts_pagination( $args = array() ) { global $wp_query; $navigation = ''; // Don't print empty markup if there's only one page. if ( $wp_query->max_num_pages > 1 ) { // Make sure the nav element has an aria-label attribute: fallback to the screen reader text. if ( ! empty( $args['screen_reader_text'] ) && empty( $args['aria_label'] ) ) { $args['aria_label'] = $args['screen_reader_text']; } $args = wp_parse_args( $args, array( 'mid_size' => 1, 'prev_text' => _x( 'Previous', 'previous set of posts' ), 'next_text' => _x( 'Next', 'next set of posts' ), 'screen_reader_text' => __( 'Posts navigation' ), 'aria_label' => __( 'Posts' ), 'class' => 'pagination', ) ); /** * Filters the arguments for posts pagination links. * * @since 6.1.0 * * @param array $args { * Optional. Default pagination arguments, see paginate_links(). * * @type string $screen_reader_text Screen reader text for navigation element. * Default 'Posts navigation'. * @type string $aria_label ARIA label text for the nav element. Default 'Posts'. * @type string $class Custom class for the nav element. Default 'pagination'. * } */ $args = apply_filters( 'the_posts_pagination_args', $args ); // Make sure we get a string back. Plain is the next best thing. if ( isset( $args['type'] ) && 'array' === $args['type'] ) { $args['type'] = 'plain'; } // Set up paginated links. $links = paginate_links( $args ); if ( $links ) { $navigation = _navigation_markup( $links, $args['class'], $args['screen_reader_text'], $args['aria_label'] ); } } return $navigation; } /** * Displays a paginated navigation to next/previous set of posts, when applicable. * * @since 4.1.0 * * @param array $args Optional. See get_the_posts_pagination() for available arguments. * Default empty array. */ function the_posts_pagination( $args = array() ) { echo get_the_posts_pagination( $args ); } /** * Wraps passed links in navigational markup. * * @since 4.1.0 * @since 5.3.0 Added the `aria_label` parameter. * @access private * * @param string $links Navigational links. * @param string $css_class Optional. Custom class for the nav element. * Default 'posts-navigation'. * @param string $screen_reader_text Optional. Screen reader text for the nav element. * Default 'Posts navigation'. * @param string $aria_label Optional. ARIA label for the nav element. * Defaults to the value of `$screen_reader_text`. * @return string Navigation template tag. */ function _navigation_markup( $links, $css_class = 'posts-navigation', $screen_reader_text = '', $aria_label = '' ) { if ( empty( $screen_reader_text ) ) { $screen_reader_text = /* translators: Hidden accessibility text. */ __( 'Posts navigation' ); } if ( empty( $aria_label ) ) { $aria_label = $screen_reader_text; } $template = ' '; /** * Filters the navigation markup template. * * Note: The filtered template HTML must contain specifiers for the navigation * class (%1$s), the screen-reader-text value (%2$s), placement of the navigation * links (%3$s), and ARIA label text if screen-reader-text does not fit that (%4$s): * * * * @since 4.4.0 * * @param string $template The default template. * @param string $css_class The class passed by the calling function. * @return string Navigation template. */ $template = apply_filters( 'navigation_markup_template', $template, $css_class ); return sprintf( $template, sanitize_html_class( $css_class ), esc_html( $screen_reader_text ), $links, esc_attr( $aria_label ) ); } /** * Retrieves the comments page number link. * * @since 2.7.0 * * @global WP_Rewrite $wp_rewrite WordPress rewrite component. * * @param int $pagenum Optional. Page number. Default 1. * @param int $max_page Optional. The maximum number of comment pages. Default 0. * @return string The comments page number link URL. */ function get_comments_pagenum_link( $pagenum = 1, $max_page = 0 ) { global $wp_rewrite; $pagenum = (int) $pagenum; $max_page = (int) $max_page; $result = get_permalink(); if ( 'newest' === get_option( 'default_comments_page' ) ) { if ( $pagenum !== $max_page ) { if ( $wp_rewrite->using_permalinks() ) { $result = user_trailingslashit( trailingslashit( $result ) . $wp_rewrite->comments_pagination_base . '-' . $pagenum, 'commentpaged' ); } else { $result = add_query_arg( 'cpage', $pagenum, $result ); } } } elseif ( $pagenum > 1 ) { if ( $wp_rewrite->using_permalinks() ) { $result = user_trailingslashit( trailingslashit( $result ) . $wp_rewrite->comments_pagination_base . '-' . $pagenum, 'commentpaged' ); } else { $result = add_query_arg( 'cpage', $pagenum, $result ); } } $result .= '#comments'; /** * Filters the comments page number link for the current request. * * @since 2.7.0 * * @param string $result The comments page number link. */ return apply_filters( 'get_comments_pagenum_link', $result ); } /** * Retrieves the link to the next comments page. * * @since 2.7.1 * * @global WP_Query $wp_query WordPress Query object. * * @param string $label Optional. Label for link text. Default empty. * @param int $max_page Optional. Max page. Default 0. * @return string|void HTML-formatted link for the next page of comments. */ function get_next_comments_link( $label = '', $max_page = 0 ) { global $wp_query; if ( ! is_singular() ) { return; } $page = get_query_var( 'cpage' ); if ( ! $page ) { $page = 1; } $next_page = (int) $page + 1; if ( empty( $max_page ) ) { $max_page = $wp_query->max_num_comment_pages; } if ( empty( $max_page ) ) { $max_page = get_comment_pages_count(); } if ( $next_page > $max_page ) { return; } if ( empty( $label ) ) { $label = __( 'Newer Comments »' ); } /** * Filters the anchor tag attributes for the next comments page link. * * @since 2.7.0 * * @param string $attributes Attributes for the anchor tag. */ $attr = apply_filters( 'next_comments_link_attributes', '' ); return sprintf( '%3$s', esc_url( get_comments_pagenum_link( $next_page, $max_page ) ), $attr, preg_replace( '/&([^#])(?![a-z]{1,8};)/i', '&$1', $label ) ); } /** * Displays the link to the next comments page. * * @since 2.7.0 * * @param string $label Optional. Label for link text. Default empty. * @param int $max_page Optional. Max page. Default 0. */ function next_comments_link( $label = '', $max_page = 0 ) { echo get_next_comments_link( $label, $max_page ); } /** * Retrieves the link to the previous comments page. * * @since 2.7.1 * * @param string $label Optional. Label for comments link text. Default empty. * @return string|void HTML-formatted link for the previous page of comments. */ function get_previous_comments_link( $label = '' ) { if ( ! is_singular() ) { return; } $page = get_query_var( 'cpage' ); if ( (int) $page <= 1 ) { return; } $previous_page = (int) $page - 1; if ( empty( $label ) ) { $label = __( '« Older Comments' ); } /** * Filters the anchor tag attributes for the previous comments page link. * * @since 2.7.0 * * @param string $attributes Attributes for the anchor tag. */ $attr = apply_filters( 'previous_comments_link_attributes', '' ); return sprintf( '%3$s', esc_url( get_comments_pagenum_link( $previous_page ) ), $attr, preg_replace( '/&([^#])(?![a-z]{1,8};)/i', '&$1', $label ) ); } /** * Displays the link to the previous comments page. * * @since 2.7.0 * * @param string $label Optional. Label for comments link text. Default empty. */ function previous_comments_link( $label = '' ) { echo get_previous_comments_link( $label ); } /** * Displays or retrieves pagination links for the comments on the current post. * * @see paginate_links() * @since 2.7.0 * * @global WP_Rewrite $wp_rewrite WordPress rewrite component. * * @param string|array $args Optional args. See paginate_links(). Default empty array. * @return void|string|array Void if 'echo' argument is true and 'type' is not an array, * or if the query is not for an existing single post of any post type. * Otherwise, markup for comment page links or array of comment page links, * depending on 'type' argument. */ function paginate_comments_links( $args = array() ) { global $wp_rewrite; if ( ! is_singular() ) { return; } $page = get_query_var( 'cpage' ); if ( ! $page ) { $page = 1; } $max_page = get_comment_pages_count(); $defaults = array( 'base' => add_query_arg( 'cpage', '%#%' ), 'format' => '', 'total' => $max_page, 'current' => $page, 'echo' => true, 'type' => 'plain', 'add_fragment' => '#comments', ); if ( $wp_rewrite->using_permalinks() ) { $defaults['base'] = user_trailingslashit( trailingslashit( get_permalink() ) . $wp_rewrite->comments_pagination_base . '-%#%', 'commentpaged' ); } $args = wp_parse_args( $args, $defaults ); $page_links = paginate_links( $args ); if ( $args['echo'] && 'array' !== $args['type'] ) { echo $page_links; } else { return $page_links; } } /** * Retrieves navigation to next/previous set of comments, when applicable. * * @since 4.4.0 * @since 5.3.0 Added the `aria_label` parameter. * @since 5.5.0 Added the `class` parameter. * * @param array $args { * Optional. Default comments navigation arguments. * * @type string $prev_text Anchor text to display in the previous comments link. * Default 'Older comments'. * @type string $next_text Anchor text to display in the next comments link. * Default 'Newer comments'. * @type string $screen_reader_text Screen reader text for the nav element. Default 'Comments navigation'. * @type string $aria_label ARIA label text for the nav element. Default 'Comments'. * @type string $class Custom class for the nav element. Default 'comment-navigation'. * } * @return string Markup for comments links. */ function get_the_comments_navigation( $args = array() ) { $navigation = ''; // Are there comments to navigate through? if ( get_comment_pages_count() > 1 ) { // Make sure the nav element has an aria-label attribute: fallback to the screen reader text. if ( ! empty( $args['screen_reader_text'] ) && empty( $args['aria_label'] ) ) { $args['aria_label'] = $args['screen_reader_text']; } $args = wp_parse_args( $args, array( 'prev_text' => __( 'Older comments' ), 'next_text' => __( 'Newer comments' ), 'screen_reader_text' => __( 'Comments navigation' ), 'aria_label' => __( 'Comments' ), 'class' => 'comment-navigation', ) ); $prev_link = get_previous_comments_link( $args['prev_text'] ); $next_link = get_next_comments_link( $args['next_text'] ); if ( $prev_link ) { $navigation .= ''; } if ( $next_link ) { $navigation .= ''; } $navigation = _navigation_markup( $navigation, $args['class'], $args['screen_reader_text'], $args['aria_label'] ); } return $navigation; } /** * Displays navigation to next/previous set of comments, when applicable. * * @since 4.4.0 * * @param array $args See get_the_comments_navigation() for available arguments. Default empty array. */ function the_comments_navigation( $args = array() ) { echo get_the_comments_navigation( $args ); } /** * Retrieves a paginated navigation to next/previous set of comments, when applicable. * * @since 4.4.0 * @since 5.3.0 Added the `aria_label` parameter. * @since 5.5.0 Added the `class` parameter. * * @see paginate_comments_links() * * @param array $args { * Optional. Default pagination arguments. * * @type string $screen_reader_text Screen reader text for the nav element. Default 'Comments navigation'. * @type string $aria_label ARIA label text for the nav element. Default 'Comments'. * @type string $class Custom class for the nav element. Default 'comments-pagination'. * } * @return string Markup for pagination links. */ function get_the_comments_pagination( $args = array() ) { $navigation = ''; // Make sure the nav element has an aria-label attribute: fallback to the screen reader text. if ( ! empty( $args['screen_reader_text'] ) && empty( $args['aria_label'] ) ) { $args['aria_label'] = $args['screen_reader_text']; } $args = wp_parse_args( $args, array( 'screen_reader_text' => __( 'Comments navigation' ), 'aria_label' => __( 'Comments' ), 'class' => 'comments-pagination', ) ); $args['echo'] = false; // Make sure we get a string back. Plain is the next best thing. if ( isset( $args['type'] ) && 'array' === $args['type'] ) { $args['type'] = 'plain'; } $links = paginate_comments_links( $args ); if ( $links ) { $navigation = _navigation_markup( $links, $args['class'], $args['screen_reader_text'], $args['aria_label'] ); } return $navigation; } /** * Displays a paginated navigation to next/previous set of comments, when applicable. * * @since 4.4.0 * * @param array $args See get_the_comments_pagination() for available arguments. Default empty array. */ function the_comments_pagination( $args = array() ) { echo get_the_comments_pagination( $args ); } /** * Retrieves the URL for the current site where the front end is accessible. * * Returns the 'home' option with the appropriate protocol. The protocol will be 'https' * if is_ssl() evaluates to true; otherwise, it will be the same as the 'home' option. * If `$scheme` is 'http' or 'https', is_ssl() is overridden. * * @since 3.0.0 * * @param string $path Optional. Path relative to the home URL. Default empty. * @param string|null $scheme Optional. Scheme to give the home URL context. Accepts * 'http', 'https', 'relative', 'rest', or null. Default null. * @return string Home URL link with optional path appended. */ function home_url( $path = '', $scheme = null ) { return get_home_url( null, $path, $scheme ); } /** * Retrieves the URL for a given site where the front end is accessible. * * Returns the 'home' option with the appropriate protocol. The protocol will be 'https' * if is_ssl() evaluates to true; otherwise, it will be the same as the 'home' option. * If `$scheme` is 'http' or 'https', is_ssl() is overridden. * * @since 3.0.0 * * @param int|null $blog_id Optional. Site ID. Default null (current site). * @param string $path Optional. Path relative to the home URL. Default empty. * @param string|null $scheme Optional. Scheme to give the home URL context. Accepts * 'http', 'https', 'relative', 'rest', or null. Default null. * @return string Home URL link with optional path appended. */ function get_home_url( $blog_id = null, $path = '', $scheme = null ) { $orig_scheme = $scheme; if ( empty( $blog_id ) || ! is_multisite() ) { $url = get_option( 'home' ); } else { switch_to_blog( $blog_id ); $url = get_option( 'home' ); restore_current_blog(); } if ( ! in_array( $scheme, array( 'http', 'https', 'relative' ), true ) ) { if ( is_ssl() ) { $scheme = 'https'; } else { $scheme = parse_url( $url, PHP_URL_SCHEME ); } } $url = set_url_scheme( $url, $scheme ); if ( $path && is_string( $path ) ) { $url .= '/' . ltrim( $path, '/' ); } /** * Filters the home URL. * * @since 3.0.0 * * @param string $url The complete home URL including scheme and path. * @param string $path Path relative to the home URL. Blank string if no path is specified. * @param string|null $orig_scheme Scheme to give the home URL context. Accepts 'http', 'https', * 'relative', 'rest', or null. * @param int|null $blog_id Site ID, or null for the current site. */ return apply_filters( 'home_url', $url, $path, $orig_scheme, $blog_id ); } /** * Retrieves the URL for the current site where WordPress application files * (e.g. wp-blog-header.php or the wp-admin/ folder) are accessible. * * Returns the 'site_url' option with the appropriate protocol, 'https' if * is_ssl() and 'http' otherwise. If $scheme is 'http' or 'https', is_ssl() is * overridden. * * @since 3.0.0 * * @param string $path Optional. Path relative to the site URL. Default empty. * @param string|null $scheme Optional. Scheme to give the site URL context. See set_url_scheme(). * @return string Site URL link with optional path appended. */ function site_url( $path = '', $scheme = null ) { return get_site_url( null, $path, $scheme ); } /** * Retrieves the URL for a given site where WordPress application files * (e.g. wp-blog-header.php or the wp-admin/ folder) are accessible. * * Returns the 'site_url' option with the appropriate protocol, 'https' if * is_ssl() and 'http' otherwise. If `$scheme` is 'http' or 'https', * `is_ssl()` is overridden. * * @since 3.0.0 * * @param int|null $blog_id Optional. Site ID. Default null (current site). * @param string $path Optional. Path relative to the site URL. Default empty. * @param string|null $scheme Optional. Scheme to give the site URL context. Accepts * 'http', 'https', 'login', 'login_post', 'admin', or * 'relative'. Default null. * @return string Site URL link with optional path appended. */ function get_site_url( $blog_id = null, $path = '', $scheme = null ) { if ( empty( $blog_id ) || ! is_multisite() ) { $url = get_option( 'siteurl' ); } else { switch_to_blog( $blog_id ); $url = get_option( 'siteurl' ); restore_current_blog(); } $url = set_url_scheme( $url, $scheme ); if ( $path && is_string( $path ) ) { $url .= '/' . ltrim( $path, '/' ); } /** * Filters the site URL. * * @since 2.7.0 * * @param string $url The complete site URL including scheme and path. * @param string $path Path relative to the site URL. Blank string if no path is specified. * @param string|null $scheme Scheme to give the site URL context. Accepts 'http', 'https', 'login', * 'login_post', 'admin', 'relative' or null. * @param int|null $blog_id Site ID, or null for the current site. */ return apply_filters( 'site_url', $url, $path, $scheme, $blog_id ); } /** * Retrieves the URL to the admin area for the current site. * * @since 2.6.0 * * @param string $path Optional. Path relative to the admin URL. Default empty. * @param string $scheme The scheme to use. Default is 'admin', which obeys force_ssl_admin() and is_ssl(). * 'http' or 'https' can be passed to force those schemes. * @return string Admin URL link with optional path appended. */ function admin_url( $path = '', $scheme = 'admin' ) { return get_admin_url( null, $path, $scheme ); } /** * Retrieves the URL to the admin area for a given site. * * @since 3.0.0 * * @param int|null $blog_id Optional. Site ID. Default null (current site). * @param string $path Optional. Path relative to the admin URL. Default empty. * @param string $scheme Optional. The scheme to use. Accepts 'http' or 'https', * to force those schemes. Default 'admin', which obeys * force_ssl_admin() and is_ssl(). * @return string Admin URL link with optional path appended. */ function get_admin_url( $blog_id = null, $path = '', $scheme = 'admin' ) { $url = get_site_url( $blog_id, 'wp-admin/', $scheme ); if ( $path && is_string( $path ) ) { $url .= ltrim( $path, '/' ); } /** * Filters the admin area URL. * * @since 2.8.0 * @since 5.8.0 The `$scheme` parameter was added. * * @param string $url The complete admin area URL including scheme and path. * @param string $path Path relative to the admin area URL. Blank string if no path is specified. * @param int|null $blog_id Site ID, or null for the current site. * @param string|null $scheme The scheme to use. Accepts 'http', 'https', * 'admin', or null. Default 'admin', which obeys force_ssl_admin() and is_ssl(). */ return apply_filters( 'admin_url', $url, $path, $blog_id, $scheme ); } /** * Retrieves the URL to the includes directory. * * @since 2.6.0 * * @param string $path Optional. Path relative to the includes URL. Default empty. * @param string|null $scheme Optional. Scheme to give the includes URL context. Accepts * 'http', 'https', or 'relative'. Default null. * @return string Includes URL link with optional path appended. */ function includes_url( $path = '', $scheme = null ) { $url = site_url( '/' . WPINC . '/', $scheme ); if ( $path && is_string( $path ) ) { $url .= ltrim( $path, '/' ); } /** * Filters the URL to the includes directory. * * @since 2.8.0 * @since 5.8.0 The `$scheme` parameter was added. * * @param string $url The complete URL to the includes directory including scheme and path. * @param string $path Path relative to the URL to the wp-includes directory. Blank string * if no path is specified. * @param string|null $scheme Scheme to give the includes URL context. Accepts * 'http', 'https', 'relative', or null. Default null. */ return apply_filters( 'includes_url', $url, $path, $scheme ); } /** * Retrieves the URL to the content directory. * * @since 2.6.0 * * @param string $path Optional. Path relative to the content URL. Default empty. * @return string Content URL link with optional path appended. */ function content_url( $path = '' ) { $url = set_url_scheme( WP_CONTENT_URL ); if ( $path && is_string( $path ) ) { $url .= '/' . ltrim( $path, '/' ); } /** * Filters the URL to the content directory. * * @since 2.8.0 * * @param string $url The complete URL to the content directory including scheme and path. * @param string $path Path relative to the URL to the content directory. Blank string * if no path is specified. */ return apply_filters( 'content_url', $url, $path ); } /** * Retrieves a URL within the plugins or mu-plugins directory. * * Defaults to the plugins directory URL if no arguments are supplied. * * @since 2.6.0 * * @param string $path Optional. Extra path appended to the end of the URL, including * the relative directory if $plugin is supplied. Default empty. * @param string $plugin Optional. A full path to a file inside a plugin or mu-plugin. * The URL will be relative to its directory. Default empty. * Typically this is done by passing `__FILE__` as the argument. * @return string Plugins URL link with optional paths appended. */ function plugins_url( $path = '', $plugin = '' ) { $path = wp_normalize_path( $path ); $plugin = wp_normalize_path( $plugin ); $mu_plugin_dir = wp_normalize_path( WPMU_PLUGIN_DIR ); if ( ! empty( $plugin ) && str_starts_with( $plugin, $mu_plugin_dir ) ) { $url = WPMU_PLUGIN_URL; } else { $url = WP_PLUGIN_URL; } $url = set_url_scheme( $url ); if ( ! empty( $plugin ) && is_string( $plugin ) ) { $folder = dirname( plugin_basename( $plugin ) ); if ( '.' !== $folder ) { $url .= '/' . ltrim( $folder, '/' ); } } if ( $path && is_string( $path ) ) { $url .= '/' . ltrim( $path, '/' ); } /** * Filters the URL to the plugins directory. * * @since 2.8.0 * * @param string $url The complete URL to the plugins directory including scheme and path. * @param string $path Path relative to the URL to the plugins directory. Blank string * if no path is specified. * @param string $plugin The plugin file path to be relative to. Blank string if no plugin * is specified. */ return apply_filters( 'plugins_url', $url, $path, $plugin ); } /** * Retrieves the site URL for the current network. * * Returns the site URL with the appropriate protocol, 'https' if * is_ssl() and 'http' otherwise. If $scheme is 'http' or 'https', is_ssl() is * overridden. * * @since 3.0.0 * * @see set_url_scheme() * * @param string $path Optional. Path relative to the site URL. Default empty. * @param string|null $scheme Optional. Scheme to give the site URL context. Accepts * 'http', 'https', or 'relative'. Default null. * @return string Site URL link with optional path appended. */ function network_site_url( $path = '', $scheme = null ) { if ( ! is_multisite() ) { return site_url( $path, $scheme ); } $current_network = get_network(); if ( 'relative' === $scheme ) { $url = $current_network->path; } else { $url = set_url_scheme( 'http://' . $current_network->domain . $current_network->path, $scheme ); } if ( $path && is_string( $path ) ) { $url .= ltrim( $path, '/' ); } /** * Filters the network site URL. * * @since 3.0.0 * * @param string $url The complete network site URL including scheme and path. * @param string $path Path relative to the network site URL. Blank string if * no path is specified. * @param string|null $scheme Scheme to give the URL context. Accepts 'http', 'https', * 'relative' or null. */ return apply_filters( 'network_site_url', $url, $path, $scheme ); } /** * Retrieves the home URL for the current network. * * Returns the home URL with the appropriate protocol, 'https' is_ssl() * and 'http' otherwise. If `$scheme` is 'http' or 'https', `is_ssl()` is * overridden. * * @since 3.0.0 * * @param string $path Optional. Path relative to the home URL. Default empty. * @param string|null $scheme Optional. Scheme to give the home URL context. Accepts * 'http', 'https', or 'relative'. Default null. * @return string Home URL link with optional path appended. */ function network_home_url( $path = '', $scheme = null ) { if ( ! is_multisite() ) { return home_url( $path, $scheme ); } $current_network = get_network(); $orig_scheme = $scheme; if ( ! in_array( $scheme, array( 'http', 'https', 'relative' ), true ) ) { $scheme = is_ssl() ? 'https' : 'http'; } if ( 'relative' === $scheme ) { $url = $current_network->path; } else { $url = set_url_scheme( 'http://' . $current_network->domain . $current_network->path, $scheme ); } if ( $path && is_string( $path ) ) { $url .= ltrim( $path, '/' ); } /** * Filters the network home URL. * * @since 3.0.0 * * @param string $url The complete network home URL including scheme and path. * @param string $path Path relative to the network home URL. Blank string * if no path is specified. * @param string|null $orig_scheme Scheme to give the URL context. Accepts 'http', 'https', * 'relative' or null. */ return apply_filters( 'network_home_url', $url, $path, $orig_scheme ); } /** * Retrieves the URL to the admin area for the network. * * @since 3.0.0 * * @param string $path Optional path relative to the admin URL. Default empty. * @param string $scheme Optional. The scheme to use. Default is 'admin', which obeys force_ssl_admin() * and is_ssl(). 'http' or 'https' can be passed to force those schemes. * @return string Admin URL link with optional path appended. */ function network_admin_url( $path = '', $scheme = 'admin' ) { if ( ! is_multisite() ) { return admin_url( $path, $scheme ); } $url = network_site_url( 'wp-admin/network/', $scheme ); if ( $path && is_string( $path ) ) { $url .= ltrim( $path, '/' ); } /** * Filters the network admin URL. * * @since 3.0.0 * @since 5.8.0 The `$scheme` parameter was added. * * @param string $url The complete network admin URL including scheme and path. * @param string $path Path relative to the network admin URL. Blank string if * no path is specified. * @param string|null $scheme The scheme to use. Accepts 'http', 'https', * 'admin', or null. Default is 'admin', which obeys force_ssl_admin() and is_ssl(). */ return apply_filters( 'network_admin_url', $url, $path, $scheme ); } /** * Retrieves the URL to the admin area for the current user. * * @since 3.0.0 * * @param string $path Optional. Path relative to the admin URL. Default empty. * @param string $scheme Optional. The scheme to use. Default is 'admin', which obeys force_ssl_admin() * and is_ssl(). 'http' or 'https' can be passed to force those schemes. * @return string Admin URL link with optional path appended. */ function user_admin_url( $path = '', $scheme = 'admin' ) { $url = network_site_url( 'wp-admin/user/', $scheme ); if ( $path && is_string( $path ) ) { $url .= ltrim( $path, '/' ); } /** * Filters the user admin URL for the current user. * * @since 3.1.0 * @since 5.8.0 The `$scheme` parameter was added. * * @param string $url The complete URL including scheme and path. * @param string $path Path relative to the URL. Blank string if * no path is specified. * @param string|null $scheme The scheme to use. Accepts 'http', 'https', * 'admin', or null. Default is 'admin', which obeys force_ssl_admin() and is_ssl(). */ return apply_filters( 'user_admin_url', $url, $path, $scheme ); } /** * Retrieves the URL to the admin area for either the current site or the network depending on context. * * @since 3.1.0 * * @param string $path Optional. Path relative to the admin URL. Default empty. * @param string $scheme Optional. The scheme to use. Default is 'admin', which obeys force_ssl_admin() * and is_ssl(). 'http' or 'https' can be passed to force those schemes. * @return string Admin URL link with optional path appended. */ function self_admin_url( $path = '', $scheme = 'admin' ) { if ( is_network_admin() ) { $url = network_admin_url( $path, $scheme ); } elseif ( is_user_admin() ) { $url = user_admin_url( $path, $scheme ); } else { $url = admin_url( $path, $scheme ); } /** * Filters the admin URL for the current site or network depending on context. * * @since 4.9.0 * * @param string $url The complete URL including scheme and path. * @param string $path Path relative to the URL. Blank string if no path is specified. * @param string $scheme The scheme to use. */ return apply_filters( 'self_admin_url', $url, $path, $scheme ); } /** * Sets the scheme for a URL. * * @since 3.4.0 * @since 4.4.0 The 'rest' scheme was added. * * @param string $url Absolute URL that includes a scheme * @param string|null $scheme Optional. Scheme to give $url. Currently 'http', 'https', 'login', * 'login_post', 'admin', 'relative', 'rest', 'rpc', or null. Default null. * @return string URL with chosen scheme. */ function set_url_scheme( $url, $scheme = null ) { $orig_scheme = $scheme; if ( ! $scheme ) { $scheme = is_ssl() ? 'https' : 'http'; } elseif ( 'admin' === $scheme || 'login' === $scheme || 'login_post' === $scheme || 'rpc' === $scheme ) { $scheme = is_ssl() || force_ssl_admin() ? 'https' : 'http'; } elseif ( 'http' !== $scheme && 'https' !== $scheme && 'relative' !== $scheme ) { $scheme = is_ssl() ? 'https' : 'http'; } $url = trim( $url ); if ( str_starts_with( $url, '//' ) ) { $url = 'http:' . $url; } if ( 'relative' === $scheme ) { $url = ltrim( preg_replace( '#^\w+://[^/]*#', '', $url ) ); if ( '' !== $url && '/' === $url[0] ) { $url = '/' . ltrim( $url, "/ \t\n\r\0\x0B" ); } } else { $url = preg_replace( '#^\w+://#', $scheme . '://', $url ); } /** * Filters the resulting URL after setting the scheme. * * @since 3.4.0 * * @param string $url The complete URL including scheme and path. * @param string $scheme Scheme applied to the URL. One of 'http', 'https', or 'relative'. * @param string|null $orig_scheme Scheme requested for the URL. One of 'http', 'https', 'login', * 'login_post', 'admin', 'relative', 'rest', 'rpc', or null. */ return apply_filters( 'set_url_scheme', $url, $scheme, $orig_scheme ); } /** * Retrieves the URL to the user's dashboard. * * If a user does not belong to any site, the global user dashboard is used. If the user * belongs to the current site, the dashboard for the current site is returned. If the user * cannot edit the current site, the dashboard to the user's primary site is returned. * * @since 3.1.0 * * @param int $user_id Optional. User ID. Defaults to current user. * @param string $path Optional path relative to the dashboard. Use only paths known to * both site and user admins. Default empty. * @param string $scheme The scheme to use. Default is 'admin', which obeys force_ssl_admin() * and is_ssl(). 'http' or 'https' can be passed to force those schemes. * @return string Dashboard URL link with optional path appended. */ function get_dashboard_url( $user_id = 0, $path = '', $scheme = 'admin' ) { $user_id = $user_id ? (int) $user_id : get_current_user_id(); $blogs = get_blogs_of_user( $user_id ); if ( is_multisite() && ! user_can( $user_id, 'manage_network' ) && empty( $blogs ) ) { $url = user_admin_url( $path, $scheme ); } elseif ( ! is_multisite() ) { $url = admin_url( $path, $scheme ); } else { $current_blog = get_current_blog_id(); if ( $current_blog && ( user_can( $user_id, 'manage_network' ) || in_array( $current_blog, array_keys( $blogs ), true ) ) ) { $url = admin_url( $path, $scheme ); } else { $active = get_active_blog_for_user( $user_id ); if ( $active ) { $url = get_admin_url( $active->blog_id, $path, $scheme ); } else { $url = user_admin_url( $path, $scheme ); } } } /** * Filters the dashboard URL for a user. * * @since 3.1.0 * * @param string $url The complete URL including scheme and path. * @param int $user_id The user ID. * @param string $path Path relative to the URL. Blank string if no path is specified. * @param string $scheme Scheme to give the URL context. Accepts 'http', 'https', 'login', * 'login_post', 'admin', 'relative' or null. */ return apply_filters( 'user_dashboard_url', $url, $user_id, $path, $scheme ); } /** * Retrieves the URL to the user's profile editor. * * @since 3.1.0 * * @param int $user_id Optional. User ID. Defaults to current user. * @param string $scheme Optional. The scheme to use. Default is 'admin', which obeys force_ssl_admin() * and is_ssl(). 'http' or 'https' can be passed to force those schemes. * @return string Dashboard URL link with optional path appended. */ function get_edit_profile_url( $user_id = 0, $scheme = 'admin' ) { $user_id = $user_id ? (int) $user_id : get_current_user_id(); if ( is_user_admin() ) { $url = user_admin_url( 'profile.php', $scheme ); } elseif ( is_network_admin() ) { $url = network_admin_url( 'profile.php', $scheme ); } else { $url = get_dashboard_url( $user_id, 'profile.php', $scheme ); } /** * Filters the URL for a user's profile editor. * * @since 3.1.0 * * @param string $url The complete URL including scheme and path. * @param int $user_id The user ID. * @param string $scheme Scheme to give the URL context. Accepts 'http', 'https', 'login', * 'login_post', 'admin', 'relative' or null. */ return apply_filters( 'edit_profile_url', $url, $user_id, $scheme ); } /** * Returns the canonical URL for a post. * * When the post is the same as the current requested page the function will handle the * pagination arguments too. * * @since 4.6.0 * * @param int|WP_Post $post Optional. Post ID or object. Default is global `$post`. * @return string|false The canonical URL. False if the post does not exist * or has not been published yet. */ function wp_get_canonical_url( $post = null ) { $post = get_post( $post ); if ( ! $post ) { return false; } if ( 'publish' !== $post->post_status ) { return false; } $canonical_url = get_permalink( $post ); // If a canonical is being generated for the current page, make sure it has pagination if needed. if ( get_queried_object_id() === $post->ID ) { $page = get_query_var( 'page', 0 ); if ( $page >= 2 ) { if ( ! get_option( 'permalink_structure' ) ) { $canonical_url = add_query_arg( 'page', $page, $canonical_url ); } else { $canonical_url = trailingslashit( $canonical_url ) . user_trailingslashit( $page, 'single_paged' ); } } $cpage = get_query_var( 'cpage', 0 ); if ( $cpage ) { $canonical_url = get_comments_pagenum_link( $cpage ); } } /** * Filters the canonical URL for a post. * * @since 4.6.0 * * @param string $canonical_url The post's canonical URL. * @param WP_Post $post Post object. */ return apply_filters( 'get_canonical_url', $canonical_url, $post ); } /** * Outputs rel=canonical for singular queries. * * @since 2.9.0 * @since 4.6.0 Adjusted to use `wp_get_canonical_url()`. */ function rel_canonical() { if ( ! is_singular() ) { return; } $id = get_queried_object_id(); if ( 0 === $id ) { return; } $url = wp_get_canonical_url( $id ); if ( ! empty( $url ) ) { echo '' . "\n"; } } /** * Returns a shortlink for a post, page, attachment, or site. * * This function exists to provide a shortlink tag that all themes and plugins can target. * A plugin must hook in to provide the actual shortlinks. Default shortlink support is * limited to providing ?p= style links for posts. Plugins can short-circuit this function * via the {@see 'pre_get_shortlink'} filter or filter the output via the {@see 'get_shortlink'} * filter. * * @since 3.0.0 * * @param int $id Optional. A post or site ID. Default is 0, which means the current post or site. * @param string $context Optional. Whether the ID is a 'site' ID, 'post' ID, or 'media' ID. If 'post', * the post_type of the post is consulted. If 'query', the current query is consulted * to determine the ID and context. Default 'post'. * @param bool $allow_slugs Optional. Whether to allow post slugs in the shortlink. It is up to the plugin how * and whether to honor this. Default true. * @return string A shortlink or an empty string if no shortlink exists for the requested resource or if shortlinks * are not enabled. */ function wp_get_shortlink( $id = 0, $context = 'post', $allow_slugs = true ) { /** * Filters whether to preempt generating a shortlink for the given post. * * Returning a value other than false from the filter will short-circuit * the shortlink generation process, returning that value instead. * * @since 3.0.0 * * @param false|string $return Short-circuit return value. Either false or a URL string. * @param int $id Post ID, or 0 for the current post. * @param string $context The context for the link. One of 'post' or 'query', * @param bool $allow_slugs Whether to allow post slugs in the shortlink. */ $shortlink = apply_filters( 'pre_get_shortlink', false, $id, $context, $allow_slugs ); if ( false !== $shortlink ) { return $shortlink; } $post_id = 0; if ( 'query' === $context && is_singular() ) { $post_id = get_queried_object_id(); $post = get_post( $post_id ); } elseif ( 'post' === $context ) { $post = get_post( $id ); if ( ! empty( $post->ID ) ) { $post_id = $post->ID; } } $shortlink = ''; // Return `?p=` link for all public post types. if ( ! empty( $post_id ) ) { $post_type = get_post_type_object( $post->post_type ); if ( 'page' === $post->post_type && 'page' === get_option( 'show_on_front' ) && (int) get_option( 'page_on_front' ) === $post->ID ) { $shortlink = home_url( '/' ); } elseif ( $post_type && $post_type->public ) { $shortlink = home_url( '?p=' . $post_id ); } } /** * Filters the shortlink for a post. * * @since 3.0.0 * * @param string $shortlink Shortlink URL. * @param int $id Post ID, or 0 for the current post. * @param string $context The context for the link. One of 'post' or 'query', * @param bool $allow_slugs Whether to allow post slugs in the shortlink. Not used by default. */ return apply_filters( 'get_shortlink', $shortlink, $id, $context, $allow_slugs ); } /** * Injects rel=shortlink into the head if a shortlink is defined for the current page. * * Attached to the {@see 'wp_head'} action. * * @since 3.0.0 */ function wp_shortlink_wp_head() { $shortlink = wp_get_shortlink( 0, 'query' ); if ( empty( $shortlink ) ) { return; } echo "\n"; } /** * Sends a Link: rel=shortlink header if a shortlink is defined for the current page. * * Attached to the {@see 'wp'} action. * * @since 3.0.0 */ function wp_shortlink_header() { if ( headers_sent() ) { return; } $shortlink = wp_get_shortlink( 0, 'query' ); if ( empty( $shortlink ) ) { return; } header( 'Link: <' . $shortlink . '>; rel=shortlink', false ); } /** * Displays the shortlink for a post. * * Must be called from inside "The Loop" * * Call like the_shortlink( __( 'Shortlinkage FTW' ) ) * * @since 3.0.0 * * @param string $text Optional The link text or HTML to be displayed. Defaults to 'This is the short link.' * @param string $title Optional The tooltip for the link. Must be sanitized. Defaults to the sanitized post title. * @param string $before Optional HTML to display before the link. Default empty. * @param string $after Optional HTML to display after the link. Default empty. */ function the_shortlink( $text = '', $title = '', $before = '', $after = '' ) { $post = get_post(); if ( empty( $text ) ) { $text = __( 'This is the short link.' ); } if ( empty( $title ) ) { $title = the_title_attribute( array( 'echo' => false ) ); } $shortlink = wp_get_shortlink( $post->ID ); if ( ! empty( $shortlink ) ) { $link = '' . $text . ''; /** * Filters the short link anchor tag for a post. * * @since 3.0.0 * * @param string $link Shortlink anchor tag. * @param string $shortlink Shortlink URL. * @param string $text Shortlink's text. * @param string $title Shortlink's title attribute. */ $link = apply_filters( 'the_shortlink', $link, $shortlink, $text, $title ); echo $before, $link, $after; } } /** * Retrieves the avatar URL. * * @since 4.2.0 * * @param mixed $id_or_email The avatar to retrieve a URL for. Accepts a user ID, Gravatar MD5 hash, * user email, WP_User object, WP_Post object, or WP_Comment object. * @param array $args { * Optional. Arguments to use instead of the default arguments. * * @type int $size Height and width of the avatar in pixels. Default 96. * @type string $default URL for the default image or a default type. Accepts: * - '404' (return a 404 instead of a default image) * - 'retro' (a 8-bit arcade-style pixelated face) * - 'robohash' (a robot) * - 'monsterid' (a monster) * - 'wavatar' (a cartoon face) * - 'identicon' (the "quilt", a geometric pattern) * - 'mystery', 'mm', or 'mysteryman' (The Oyster Man) * - 'blank' (transparent GIF) * - 'gravatar_default' (the Gravatar logo) * Default is the value of the 'avatar_default' option, * with a fallback of 'mystery'. * @type bool $force_default Whether to always show the default image, never the Gravatar. * Default false. * @type string $rating What rating to display avatars up to. Accepts: * - 'G' (suitable for all audiences) * - 'PG' (possibly offensive, usually for audiences 13 and above) * - 'R' (intended for adult audiences above 17) * - 'X' (even more mature than above) * Default is the value of the 'avatar_rating' option. * @type string $scheme URL scheme to use. See set_url_scheme() for accepted values. * Default null. * @type array $processed_args When the function returns, the value will be the processed/sanitized $args * plus a "found_avatar" guess. Pass as a reference. Default null. * } * @return string|false The URL of the avatar on success, false on failure. */ function get_avatar_url( $id_or_email, $args = null ) { $args = get_avatar_data( $id_or_email, $args ); return $args['url']; } /** * Check if this comment type allows avatars to be retrieved. * * @since 5.1.0 * * @param string $comment_type Comment type to check. * @return bool Whether the comment type is allowed for retrieving avatars. */ function is_avatar_comment_type( $comment_type ) { /** * Filters the list of allowed comment types for retrieving avatars. * * @since 3.0.0 * * @param array $types An array of content types. Default only contains 'comment'. */ $allowed_comment_types = apply_filters( 'get_avatar_comment_types', array( 'comment' ) ); return in_array( $comment_type, (array) $allowed_comment_types, true ); } /** * Retrieves default data about the avatar. * * @since 4.2.0 * * @param mixed $id_or_email The avatar to retrieve. Accepts a user ID, Gravatar MD5 hash, * user email, WP_User object, WP_Post object, or WP_Comment object. * @param array $args { * Optional. Arguments to use instead of the default arguments. * * @type int $size Height and width of the avatar in pixels. Default 96. * @type int $height Display height of the avatar in pixels. Defaults to $size. * @type int $width Display width of the avatar in pixels. Defaults to $size. * @type string $default URL for the default image or a default type. Accepts: * - '404' (return a 404 instead of a default image) * - 'retro' (a 8-bit arcade-style pixelated face) * - 'robohash' (a robot) * - 'monsterid' (a monster) * - 'wavatar' (a cartoon face) * - 'identicon' (the "quilt", a geometric pattern) * - 'mystery', 'mm', or 'mysteryman' (The Oyster Man) * - 'blank' (transparent GIF) * - 'gravatar_default' (the Gravatar logo) * Default is the value of the 'avatar_default' option, * with a fallback of 'mystery'. * @type bool $force_default Whether to always show the default image, never the Gravatar. * Default false. * @type string $rating What rating to display avatars up to. Accepts: * - 'G' (suitable for all audiences) * - 'PG' (possibly offensive, usually for audiences 13 and above) * - 'R' (intended for adult audiences above 17) * - 'X' (even more mature than above) * Default is the value of the 'avatar_rating' option. * @type string $scheme URL scheme to use. See set_url_scheme() for accepted values. * Default null. * @type array $processed_args When the function returns, the value will be the processed/sanitized $args * plus a "found_avatar" guess. Pass as a reference. Default null. * @type string $extra_attr HTML attributes to insert in the IMG element. Is not sanitized. * Default empty. * } * @return array { * Along with the arguments passed in `$args`, this will contain a couple of extra arguments. * * @type bool $found_avatar True if an avatar was found for this user, * false or not set if none was found. * @type string|false $url The URL of the avatar that was found, or false. * } */ function get_avatar_data( $id_or_email, $args = null ) { $args = wp_parse_args( $args, array( 'size' => 96, 'height' => null, 'width' => null, 'default' => get_option( 'avatar_default', 'mystery' ), 'force_default' => false, 'rating' => get_option( 'avatar_rating' ), 'scheme' => null, 'processed_args' => null, // If used, should be a reference. 'extra_attr' => '', ) ); if ( is_numeric( $args['size'] ) ) { $args['size'] = absint( $args['size'] ); if ( ! $args['size'] ) { $args['size'] = 96; } } else { $args['size'] = 96; } if ( is_numeric( $args['height'] ) ) { $args['height'] = absint( $args['height'] ); if ( ! $args['height'] ) { $args['height'] = $args['size']; } } else { $args['height'] = $args['size']; } if ( is_numeric( $args['width'] ) ) { $args['width'] = absint( $args['width'] ); if ( ! $args['width'] ) { $args['width'] = $args['size']; } } else { $args['width'] = $args['size']; } if ( empty( $args['default'] ) ) { $args['default'] = get_option( 'avatar_default', 'mystery' ); } switch ( $args['default'] ) { case 'mm': case 'mystery': case 'mysteryman': $args['default'] = 'mm'; break; case 'gravatar_default': $args['default'] = false; break; } $args['force_default'] = (bool) $args['force_default']; $args['rating'] = strtolower( $args['rating'] ); $args['found_avatar'] = false; /** * Filters whether to retrieve the avatar URL early. * * Passing a non-null value in the 'url' member of the return array will * effectively short circuit get_avatar_data(), passing the value through * the {@see 'get_avatar_data'} filter and returning early. * * @since 4.2.0 * * @param array $args Arguments passed to get_avatar_data(), after processing. * @param mixed $id_or_email The avatar to retrieve. Accepts a user ID, Gravatar MD5 hash, * user email, WP_User object, WP_Post object, or WP_Comment object. */ $args = apply_filters( 'pre_get_avatar_data', $args, $id_or_email ); if ( isset( $args['url'] ) ) { /** This filter is documented in wp-includes/link-template.php */ return apply_filters( 'get_avatar_data', $args, $id_or_email ); } $email_hash = ''; $user = false; $email = false; if ( is_object( $id_or_email ) && isset( $id_or_email->comment_ID ) ) { $id_or_email = get_comment( $id_or_email ); } // Process the user identifier. if ( is_numeric( $id_or_email ) ) { $user = get_user_by( 'id', absint( $id_or_email ) ); } elseif ( is_string( $id_or_email ) ) { if ( str_contains( $id_or_email, '@md5.gravatar.com' ) ) { // MD5 hash. list( $email_hash ) = explode( '@', $id_or_email ); } else { // Email address. $email = $id_or_email; } } elseif ( $id_or_email instanceof WP_User ) { // User object. $user = $id_or_email; } elseif ( $id_or_email instanceof WP_Post ) { // Post object. $user = get_user_by( 'id', (int) $id_or_email->post_author ); } elseif ( $id_or_email instanceof WP_Comment ) { if ( ! is_avatar_comment_type( get_comment_type( $id_or_email ) ) ) { $args['url'] = false; /** This filter is documented in wp-includes/link-template.php */ return apply_filters( 'get_avatar_data', $args, $id_or_email ); } if ( ! empty( $id_or_email->user_id ) ) { $user = get_user_by( 'id', (int) $id_or_email->user_id ); } if ( ( ! $user || is_wp_error( $user ) ) && ! empty( $id_or_email->comment_author_email ) ) { $email = $id_or_email->comment_author_email; } } if ( ! $email_hash ) { if ( $user ) { $email = $user->user_email; } if ( $email ) { $email_hash = md5( strtolower( trim( $email ) ) ); } } if ( $email_hash ) { $args['found_avatar'] = true; $gravatar_server = hexdec( $email_hash[0] ) % 3; } else { $gravatar_server = rand( 0, 2 ); } $url_args = array( 's' => $args['size'], 'd' => $args['default'], 'f' => $args['force_default'] ? 'y' : false, 'r' => $args['rating'], ); if ( is_ssl() ) { $url = 'https://secure.gravatar.com/avatar/' . $email_hash; } else { $url = sprintf( 'http://%d.gravatar.com/avatar/%s', $gravatar_server, $email_hash ); } $url = add_query_arg( rawurlencode_deep( array_filter( $url_args ) ), set_url_scheme( $url, $args['scheme'] ) ); /** * Filters the avatar URL. * * @since 4.2.0 * * @param string $url The URL of the avatar. * @param mixed $id_or_email The avatar to retrieve. Accepts a user ID, Gravatar MD5 hash, * user email, WP_User object, WP_Post object, or WP_Comment object. * @param array $args Arguments passed to get_avatar_data(), after processing. */ $args['url'] = apply_filters( 'get_avatar_url', $url, $id_or_email, $args ); /** * Filters the avatar data. * * @since 4.2.0 * * @param array $args Arguments passed to get_avatar_data(), after processing. * @param mixed $id_or_email The avatar to retrieve. Accepts a user ID, Gravatar MD5 hash, * user email, WP_User object, WP_Post object, or WP_Comment object. */ return apply_filters( 'get_avatar_data', $args, $id_or_email ); } /** * Retrieves the URL of a file in the theme. * * Searches in the stylesheet directory before the template directory so themes * which inherit from a parent theme can just override one file. * * @since 4.7.0 * * @param string $file Optional. File to search for in the stylesheet directory. * @return string The URL of the file. */ function get_theme_file_uri( $file = '' ) { $file = ltrim( $file, '/' ); $stylesheet_directory = get_stylesheet_directory(); if ( empty( $file ) ) { $url = get_stylesheet_directory_uri(); } elseif ( get_template_directory() !== $stylesheet_directory && file_exists( $stylesheet_directory . '/' . $file ) ) { $url = get_stylesheet_directory_uri() . '/' . $file; } else { $url = get_template_directory_uri() . '/' . $file; } /** * Filters the URL to a file in the theme. * * @since 4.7.0 * * @param string $url The file URL. * @param string $file The requested file to search for. */ return apply_filters( 'theme_file_uri', $url, $file ); } /** * Retrieves the URL of a file in the parent theme. * * @since 4.7.0 * * @param string $file Optional. File to return the URL for in the template directory. * @return string The URL of the file. */ function get_parent_theme_file_uri( $file = '' ) { $file = ltrim( $file, '/' ); if ( empty( $file ) ) { $url = get_template_directory_uri(); } else { $url = get_template_directory_uri() . '/' . $file; } /** * Filters the URL to a file in the parent theme. * * @since 4.7.0 * * @param string $url The file URL. * @param string $file The requested file to search for. */ return apply_filters( 'parent_theme_file_uri', $url, $file ); } /** * Retrieves the path of a file in the theme. * * Searches in the stylesheet directory before the template directory so themes * which inherit from a parent theme can just override one file. * * @since 4.7.0 * * @param string $file Optional. File to search for in the stylesheet directory. * @return string The path of the file. */ function get_theme_file_path( $file = '' ) { $file = ltrim( $file, '/' ); $stylesheet_directory = get_stylesheet_directory(); $template_directory = get_template_directory(); if ( empty( $file ) ) { $path = $stylesheet_directory; } elseif ( $stylesheet_directory !== $template_directory && file_exists( $stylesheet_directory . '/' . $file ) ) { $path = $stylesheet_directory . '/' . $file; } else { $path = $template_directory . '/' . $file; } /** * Filters the path to a file in the theme. * * @since 4.7.0 * * @param string $path The file path. * @param string $file The requested file to search for. */ return apply_filters( 'theme_file_path', $path, $file ); } /** * Retrieves the path of a file in the parent theme. * * @since 4.7.0 * * @param string $file Optional. File to return the path for in the template directory. * @return string The path of the file. */ function get_parent_theme_file_path( $file = '' ) { $file = ltrim( $file, '/' ); if ( empty( $file ) ) { $path = get_template_directory(); } else { $path = get_template_directory() . '/' . $file; } /** * Filters the path to a file in the parent theme. * * @since 4.7.0 * * @param string $path The file path. * @param string $file The requested file to search for. */ return apply_filters( 'parent_theme_file_path', $path, $file ); } /** * Retrieves the URL to the privacy policy page. * * @since 4.9.6 * * @return string The URL to the privacy policy page. Empty string if it doesn't exist. */ function get_privacy_policy_url() { $url = ''; $policy_page_id = (int) get_option( 'wp_page_for_privacy_policy' ); if ( ! empty( $policy_page_id ) && get_post_status( $policy_page_id ) === 'publish' ) { $url = (string) get_permalink( $policy_page_id ); } /** * Filters the URL of the privacy policy page. * * @since 4.9.6 * * @param string $url The URL to the privacy policy page. Empty string * if it doesn't exist. * @param int $policy_page_id The ID of privacy policy page. */ return apply_filters( 'privacy_policy_url', $url, $policy_page_id ); } /** * Displays the privacy policy link with formatting, when applicable. * * @since 4.9.6 * * @param string $before Optional. Display before privacy policy link. Default empty. * @param string $after Optional. Display after privacy policy link. Default empty. */ function the_privacy_policy_link( $before = '', $after = '' ) { echo get_the_privacy_policy_link( $before, $after ); } /** * Returns the privacy policy link with formatting, when applicable. * * @since 4.9.6 * @since 6.2.0 Added 'privacy-policy' rel attribute. * * @param string $before Optional. Display before privacy policy link. Default empty. * @param string $after Optional. Display after privacy policy link. Default empty. * @return string Markup for the link and surrounding elements. Empty string if it * doesn't exist. */ function get_the_privacy_policy_link( $before = '', $after = '' ) { $link = ''; $privacy_policy_url = get_privacy_policy_url(); $policy_page_id = (int) get_option( 'wp_page_for_privacy_policy' ); $page_title = ( $policy_page_id ) ? get_the_title( $policy_page_id ) : ''; if ( $privacy_policy_url && $page_title ) { $link = sprintf( '%s', esc_url( $privacy_policy_url ), esc_html( $page_title ) ); } /** * Filters the privacy policy link. * * @since 4.9.6 * * @param string $link The privacy policy link. Empty string if it * doesn't exist. * @param string $privacy_policy_url The URL of the privacy policy. Empty string * if it doesn't exist. */ $link = apply_filters( 'the_privacy_policy_link', $link, $privacy_policy_url ); if ( $link ) { return $before . $link . $after; } return ''; } /** * Returns an array of URL hosts which are considered to be internal hosts. * * By default the list of internal hosts is comprised of the host name of * the site's home_url() (as parsed by wp_parse_url()). * * This list is used when determining if a specified URL is a link to a page on * the site itself or a link offsite (to an external host). This is used, for * example, when determining if the "nofollow" attribute should be applied to a * link. * * @see wp_is_internal_link * * @since 6.2.0 * * @return string[] An array of URL hosts. */ function wp_internal_hosts() { static $internal_hosts; if ( empty( $internal_hosts ) ) { /** * Filters the array of URL hosts which are considered internal. * * @since 6.2.0 * * @param string[] $internal_hosts An array of internal URL hostnames. */ $internal_hosts = apply_filters( 'wp_internal_hosts', array( wp_parse_url( home_url(), PHP_URL_HOST ), ) ); $internal_hosts = array_unique( array_map( 'strtolower', (array) $internal_hosts ) ); } return $internal_hosts; } /** * Determines whether or not the specified URL is of a host included in the internal hosts list. * * @see wp_internal_hosts() * * @since 6.2.0 * * @param string $link The URL to test. * @return bool Returns true for internal URLs and false for all other URLs. */ function wp_is_internal_link( $link ) { $link = strtolower( $link ); if ( in_array( wp_parse_url( $link, PHP_URL_SCHEME ), wp_allowed_protocols(), true ) ) { return in_array( wp_parse_url( $link, PHP_URL_HOST ), wp_internal_hosts(), true ); } return false; }