ngs']['blocks'] = $schema_settings_blocks; // Remove anything that's not present in the schema. foreach ( array( 'styles', 'settings' ) as $subtree ) { if ( ! isset( $input[ $subtree ] ) ) { continue; } if ( ! is_array( $input[ $subtree ] ) ) { unset( $output[ $subtree ] ); continue; } $result = static::remove_keys_not_in_schema( $input[ $subtree ], $schema[ $subtree ] ); if ( empty( $result ) ) { unset( $output[ $subtree ] ); } else { $output[ $subtree ] = $result; } } return $output; } /** * Appends a sub-selector to an existing one. * * Given the compounded $selector "h1, h2, h3" * and the $to_append selector ".some-class" the result will be * "h1.some-class, h2.some-class, h3.some-class". * * @since 5.8.0 * @since 6.1.0 Added append position. * * @param string $selector Original selector. * @param string $to_append Selector to append. * @param string $position A position sub-selector should be appended. Default 'right'. * @return string The new selector. */ protected static function append_to_selector( $selector, $to_append, $position = 'right' ) { $new_selectors = array(); $selectors = explode( ',', $selector ); foreach ( $selectors as $sel ) { $new_selectors[] = 'right' === $position ? $sel . $to_append : $to_append . $sel; } return implode( ',', $new_selectors ); } /** * Returns the metadata for each block. * * Example: * * { * 'core/paragraph': { * 'selector': 'p', * 'elements': { * 'link' => 'link selector', * 'etc' => 'element selector' * } * }, * 'core/heading': { * 'selector': 'h1', * 'elements': {} * }, * 'core/image': { * 'selector': '.wp-block-image', * 'duotone': 'img', * 'elements': {} * } * } * * @since 5.8.0 * @since 5.9.0 Added `duotone` key with CSS selector. * @since 6.1.0 Added `features` key with block support feature level selectors. * * @return array Block metadata. */ protected static function get_blocks_metadata() { $registry = WP_Block_Type_Registry::get_instance(); $blocks = $registry->get_all_registered(); // Is there metadata for all currently registered blocks? $blocks = array_diff_key( $blocks, static::$blocks_metadata ); if ( empty( $blocks ) ) { return static::$blocks_metadata; } foreach ( $blocks as $block_name => $block_type ) { if ( isset( $block_type->supports['__experimentalSelector'] ) && is_string( $block_type->supports['__experimentalSelector'] ) ) { static::$blocks_metadata[ $block_name ]['selector'] = $block_type->supports['__experimentalSelector']; } else { static::$blocks_metadata[ $block_name ]['selector'] = '.wp-block-' . str_replace( '/', '-', str_replace( 'core/', '', $block_name ) ); } if ( isset( $block_type->supports['color']['__experimentalDuotone'] ) && is_string( $block_type->supports['color']['__experimentalDuotone'] ) ) { static::$blocks_metadata[ $block_name ]['duotone'] = $block_type->supports['color']['__experimentalDuotone']; } // Generate block support feature level selectors if opted into // for the current block. $features = array(); foreach ( static::BLOCK_SUPPORT_FEATURE_LEVEL_SELECTORS as $key => $feature ) { if ( isset( $block_type->supports[ $key ]['__experimentalSelector'] ) && $block_type->supports[ $key ]['__experimentalSelector'] ) { $features[ $feature ] = static::scope_selector( static::$blocks_metadata[ $block_name ]['selector'], $block_type->supports[ $key ]['__experimentalSelector'] ); } } if ( ! empty( $features ) ) { static::$blocks_metadata[ $block_name ]['features'] = $features; } // Assign defaults, then overwrite those that the block sets by itself. // If the block selector is compounded, will append the element to each // individual block selector. $block_selectors = explode( ',', static::$blocks_metadata[ $block_name ]['selector'] ); 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::append_to_selector( $el_selector, $selector . ' ', 'left' ); } static::$blocks_metadata[ $block_name ]['elements'][ $el_name ] = implode( ',', $element_selector ); } } return static::$blocks_metadata; } /** * Given a tree, removes the keys that are not present in the schema. * * It is recursive and modifies the input in-place. * * @since 5.8.0 * * @param array $tree Input to process. * @param array $schema Schema to adhere to. * @return array The modified $tree. */ protected static function remove_keys_not_in_schema( $tree, $schema ) { $tree = array_intersect_key( $tree, $schema ); foreach ( $schema as $key => $data ) { if ( ! isset( $tree[ $key ] ) ) { continue; } if ( is_array( $schema[ $key ] ) && is_array( $tree[ $key ] ) ) { $tree[ $key ] = static::remove_keys_not_in_schema( $tree[ $key ], $schema[ $key ] ); if ( empty( $tree[ $key ] ) ) { unset( $tree[ $key ] ); } } elseif ( is_array( $schema[ $key ] ) && ! is_array( $tree[ $key ] ) ) { unset( $tree[ $key ] ); } } return $tree; } /** * Returns the existing settings for each block. * * Example: * * { * 'root': { * 'color': { * 'custom': true * } * }, * 'core/paragraph': { * 'spacing': { * 'customPadding': true * } * } * } * * @since 5.8.0 * * @return array Settings per block. */ public function get_settings() { if ( ! isset( $this->theme_json['settings'] ) ) { return array(); } else { return $this->theme_json['settings']; } } /** * Returns the stylesheet that results of processing * the theme.json structure this object represents. * * @since 5.8.0 * @since 5.9.0 Removed the `$type` parameter`, added the `$types` and `$origins` parameters. * * @param array $types Types of styles to load. Will load all by default. It accepts: * - `variables`: only the CSS Custom Properties for presets & custom ones. * - `styles`: only the styles section in theme.json. * - `presets`: only the classes for the presets. * @param array $origins A list of origins to include. By default it includes VALID_ORIGINS. * @return string The resulting stylesheet. */ public function get_stylesheet( $types = array( 'variables', 'styles', 'presets' ), $origins = null ) { if ( null === $origins ) { $origins = static::VALID_ORIGINS; } if ( is_string( $types ) ) { // Dispatch error and map old arguments to new ones. _deprecated_argument( __FUNCTION__, '5.9.0' ); if ( 'block_styles' === $types ) { $types = array( 'styles', 'presets' ); } elseif ( 'css_variables' === $types ) { $types = array( 'variables' ); } else { $types = array( 'variables', 'styles', 'presets' ); } } $blocks_metadata = static::get_blocks_metadata(); $style_nodes = static::get_style_nodes( $this->theme_json, $blocks_metadata ); $setting_nodes = static::get_setting_nodes( $this->theme_json, $blocks_metadata ); $stylesheet = ''; if ( in_array( 'variables', $types, true ) ) { $stylesheet .= $this->get_css_variables( $setting_nodes, $origins ); } if ( in_array( 'styles', $types, true ) ) { $root_block_key = array_search( static::ROOT_BLOCK_SELECTOR, array_column( $style_nodes, 'selector' ), true ); if ( false !== $root_block_key ) { $stylesheet .= $this->get_root_layout_rules( static::ROOT_BLOCK_SELECTOR, $style_nodes[ $root_block_key ] ); } $stylesheet .= $this->get_block_classes( $style_nodes ); } elseif ( in_array( 'base-layout-styles', $types, true ) ) { // Base layout styles are provided as part of `styles`, so only output separately if explicitly requested. // For backwards compatibility, the Columns block is explicitly included, to support a different default gap value. $base_styles_nodes = array( array( 'path' => array( 'styles' ), 'selector' => static::ROOT_BLOCK_SELECTOR, ), array( 'path' => array( 'styles', 'blocks', 'core/columns' ), 'selector' => '.wp-block-columns', 'name' => 'core/columns', ), ); foreach ( $base_styles_nodes as $base_style_node ) { $stylesheet .= $this->get_layout_styles( $base_style_node ); } } if ( in_array( 'presets', $types, true ) ) { $stylesheet .= $this->get_preset_classes( $setting_nodes, $origins ); } return $stylesheet; } /** * Returns the page templates of the active theme. * * @since 5.9.0 * * @return array */ public function get_custom_templates() { $custom_templates = array(); if ( ! isset( $this->theme_json['customTemplates'] ) || ! is_array( $this->theme_json['customTemplates'] ) ) { return $custom_templates; } foreach ( $this->theme_json['customTemplates'] as $item ) { if ( isset( $item['name'] ) ) { $custom_templates[ $item['name'] ] = array( 'title' => isset( $item['title'] ) ? $item['title'] : '', 'postTypes' => isset( $item['postTypes'] ) ? $item['postTypes'] : array( 'page' ), ); } } return $custom_templates; } /** * Returns the template part data of active theme. * * @since 5.9.0 * * @return array */ public function get_template_parts() { $template_parts = array(); if ( ! isset( $this->theme_json['templateParts'] ) || ! is_array( $this->theme_json['templateParts'] ) ) { return $template_parts; } foreach ( $this->theme_json['templateParts'] as $item ) { if ( isset( $item['name'] ) ) { $template_parts[ $item['name'] ] = array( 'title' => isset( $item['title'] ) ? $item['title'] : '', 'area' => isset( $item['area'] ) ? $item['area'] : '', ); } } return $template_parts; } /** * Converts each style section into a list of rulesets * containing the block styles to be appended to the stylesheet. * * See glossary at https://developer.mozilla.org/en-US/docs/Web/CSS/Syntax * * For each section this creates a new ruleset such as: * * block-selector { * style-property-one: value; * } * * @since 5.8.0 As `get_block_styles()`. * @since 5.9.0 Renamed from `get_block_styles()` to `get_block_classes()` * and no longer returns preset classes. * Removed the `$setting_nodes` parameter. * @since 6.1.0 Moved most internal logic to `get_styles_for_block()`. * * @param array $style_nodes Nodes with styles. * @return string The new stylesheet. */ protected function get_block_classes( $style_nodes ) { $block_rules = ''; foreach ( $style_nodes as $metadata ) { if ( null === $metadata['selector'] ) { continue; } $block_rules .= static::get_styles_for_block( $metadata ); } return $block_rules; } /** * Gets the CSS layout rules for a particular block from theme.json layout definitions. * * @since 6.1.0 * * @param array $block_metadata Metadata about the block to get styles for. * @return string Layout styles for the block. */ protected function get_layout_styles( $block_metadata ) { $block_rules = ''; $block_type = null; // Skip outputting layout styles if explicitly disabled. if ( current_theme_supports( 'disable-layout-styles' ) ) { return $block_rules; } if ( isset( $block_metadata['name'] ) ) { $block_type = WP_Block_Type_Registry::get_instance()->get_registered( $block_metadata['name'] ); if ( ! block_has_support( $block_type, array( '__experimentalLayout' ), false ) ) { return $block_rules; } } $selector = isset( $block_metadata['selector'] ) ? $block_metadata['selector'] : ''; $has_block_gap_support = _wp_array_get( $this->theme_json, array( 'settings', 'spacing', 'blockGap' ) ) !== null; $has_fallback_gap_support = ! $has_block_gap_support; // This setting isn't useful yet: it exists as a placeholder for a future explicit fallback gap styles support. $node = _wp_array_get( $this->theme_json, $block_metadata['path'], array() ); $layout_definitions = _wp_array_get( $this->theme_json, array( 'settings', 'layout', 'definitions' ), array() ); $layout_selector_pattern = '/^[a-zA-Z0-9\-\.\ *+>:\(\)]*$/'; // Allow alphanumeric classnames, spaces, wildcard, sibling, child combinator and pseudo class selectors. // Gap styles will only be output if the theme has block gap support, or supports a fallback gap. // Default layout gap styles will be skipped for themes that do not explicitly opt-in to blockGap with a `true` or `false` value. if ( $has_block_gap_support || $has_fallback_gap_support ) { $block_gap_value = null; // Use a fallback gap value if block gap support is not available. if ( ! $has_block_gap_support ) { $block_gap_value = static::ROOT_BLOCK_SELECTOR === $selector ? '0.5em' : null; if ( ! empty( $block_type ) ) { $block_gap_value = _wp_array_get( $block_type->supports, array( 'spacing', 'blockGap', '__experimentalDefault' ), null ); } } else { $block_gap_value = static::get_property_value( $node, array( 'spacing', 'blockGap' ) ); } // Support split row / column values and concatenate to a shorthand value. if ( is_array( $block_gap_value ) ) { if ( isset( $block_gap_value['top'] ) && isset( $block_gap_value['left'] ) ) { $gap_row = static::get_property_value( $node, array( 'spacing', 'blockGap', 'top' ) ); $gap_column = static::get_property_value( $node, array( 'spacing', 'blockGap', 'left' ) ); $block_gap_value = $gap_row === $gap_column ? $gap_row : $gap_row . ' ' . $gap_column; } else { // Skip outputting gap value if not all sides are provided. $block_gap_value = null; } } // If the block should have custom gap, add the gap styles. if ( null !== $block_gap_value && false !== $block_gap_value && '' !== $block_gap_value ) { foreach ( $layout_definitions as $layout_definition_key => $layout_definition ) { // Allow outputting fallback gap styles for flex layout type when block gap support isn't available. if ( ! $has_block_gap_support && 'flex' !== $layout_definition_key ) { continue; } $class_name = sanitize_title( _wp_array_get( $layout_definition, array( 'className' ), false ) ); $spacing_rules = _wp_array_get( $layout_definition, array( 'spacingStyles' ), array() ); if ( ! empty( $class_name ) && ! empty( $spacing_rules ) ) { foreach ( $spacing_rules as $spacing_rule ) { $declarations = array(); if ( isset( $spacing_rule['selector'] ) && preg_match( $layout_selector_pattern, $spacing_rule['selector'] ) && ! empty( $spacing_rule['rules'] ) ) { // Iterate over each of the styling rules and substitute non-string values such as `null` with the real `blockGap` value. foreach ( $spacing_rule['rules'] as $css_property => $css_value ) { $current_css_value = is_string( $css_value ) ? $css_value : $block_gap_value; if ( static::is_safe_css_declaration( $css_property, $current_css_value ) ) { $declarations[] = array( 'name' => $css_property, 'value' => $current_css_value, ); } } if ( ! $has_block_gap_support ) { // For fallback gap styles, use lower specificity, to ensure styles do not unintentionally override theme styles. $format = static::ROOT_BLOCK_SELECTOR === $selector ? ':where(.%2$s%3$s)' : ':where(%1$s.%2$s%3$s)'; $layout_selector = sprintf( $format, $selector, $class_name, $spacing_rule['selector'] ); } else { $format = static::ROOT_BLOCK_SELECTOR === $selector ? '%s .%s%s' : '%s.%s%s'; $layout_selector = sprintf( $format, $selector, $class_name, $spacing_rule['selector'] ); } $block_rules .= static::to_ruleset( $layout_selector, $declarations ); } } } } } } // Output base styles. if ( static::ROOT_BLOCK_SELECTOR === $selector ) { $valid_display_modes = array( 'block', 'flex', 'grid' ); foreach ( $layout_definitions as $layout_definition ) { $class_name = sanitize_title( _wp_array_get( $layout_definition, array( 'className' ), false ) ); $base_style_rules = _wp_array_get( $layout_definition, array( 'baseStyles' ), array() ); if ( ! empty( $class_name ) && ! empty( $base_style_rules ) ) { // Output display mode. This requires special handling as `display` is not exposed in `safe_style_css_filter`. if ( ! empty( $layout_definition['displayMode'] ) && is_string( $layout_definition['displayMode'] ) && in_array( $layout_definition['displayMode'], $valid_display_modes, true ) ) { $layout_selector = sprintf( '%s .%s', $selector, $class_name ); $block_rules .= static::to_ruleset( $layout_selector, array( array( 'name' => 'display', 'value' => $layout_definition['displayMode'], ), ) ); } foreach ( $base_style_rules as $base_style_rule ) { $declarations = array(); if ( isset( $base_style_rule['selector'] ) && preg_match( $layout_selector_pattern, $base_style_rule['selector'] ) && ! empty( $base_style_rule['rules'] ) ) { foreach ( $base_style_rule['rules'] as $css_property => $css_value ) { if ( static::is_safe_css_declaration( $css_property, $css_value ) ) { $declarations[] = array( 'name' => $css_property, 'value' => $css_value, ); } } $layout_selector = sprintf( '%s .%s%s', $selector, $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 array $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 array $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. * * @param array $settings Settings to process. * @param string $selector Selector wrapping the classes. * @param array $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 ) { // 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 ) { $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 ); $stylesheet .= static::to_ruleset( static::append_to_selector( $selector, $class_name ), 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 * * @param string $scope Selector to scope to. * @param string $selector Original selector. * @return string Scoped selector. */ protected static function scope_selector( $scope, $selector ) { $scopes = explode( ',', $scope ); $selectors = explode( ',', $selector ); $selectors_scoped = array(); foreach ( $scopes as $outer ) { foreach ( $selectors as $inner ) { $selectors_scoped[] = trim( $outer ) . ' ' . trim( $inner ); } } return implode( ', ', $selectors_scoped ); } /** * 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 * * @param array $settings Settings to process. * @param array $preset_metadata One of the PRESETS_METADATA values. * @param array $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 ); } 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 array $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 array $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 ) { $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 = _wp_array_get( $settings, array( '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. * * @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 ( // TODO: Replace array_key_exists() with isset() check once WordPress drops // support for PHP 5.6. See https://core.trac.wordpress.org/ticket/57067. array_key_exists( $path_string, static::PROTECTED_PROPERTIES ) && _wp_array_get( $settings, static::PROTECTED_PROPERTIES[ $path_string ], null ) === null ) { continue; } } // 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. */ $value = wp_get_typography_font_size_value( array( 'size' => $value ) ); } $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 $declarations; } /** * Returns the style property for the given path. * * It also converts CSS Custom Property stored as * "var:preset|color|secondary" to the form * "--wp--preset--color--secondary". * * It also converts references to a path to the value * stored at that location, e.g. * { "ref": "style.color.background" } => "#fff". * * @since 5.8.0 * @since 5.9.0 Added support for values of array type, which are returned as is. * @since 6.1.0 Added the `$theme_json` parameter. * * @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; } // Convert custom CSS properties. $prefix = 'var:'; $prefix_len = strlen( $prefix ); $token_in = '|'; $token_out = '--'; if ( 0 === strncmp( $value, $prefix, $prefix_len ) ) { $unwrapped_name = str_replace( $token_in, $token_out, substr( $value, $prefix_len ) ); $value = "var(--wp--$unwrapped_name)"; } 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_BLOCK_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 * * @param array $theme_json The tree to extract style nodes from. * @param array $selectors List of selectors per block. * @return array An array of style nodes metadata. */ protected static function get_style_nodes( $theme_json, $selectors = 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. // TODO: Replace array_key_exists() with isset() check once WordPress drops // support for PHP 5.6. See https://core.trac.wordpress.org/ticket/57067. if ( array_key_exists( $element, static::VALID_ELEMENT_PSEUDO_SELECTORS ) ) { 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 ); 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 * * @param array $theme_json The theme.json converted to an array. * @return array The block nodes in theme.json. */ private static function get_block_nodes( $theme_json ) { $selectors = static::get_blocks_metadata(); $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 ]['features'] ) ) { $feature_selectors = $selectors[ $name ]['features']; } $nodes[] = array( 'name' => $name, 'path' => array( 'styles', 'blocks', $name ), 'selector' => $selector, 'duotone' => $duotone_selector, 'features' => $feature_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. // TODO: Replace array_key_exists() with isset() check once WordPress drops // support for PHP 5.6. See https://core.trac.wordpress.org/ticket/57067. if ( array_key_exists( $element, static::VALID_ELEMENT_PSEUDO_SELECTORS ) ) { 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 * * @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 = _wp_array_get( $this->theme_json, array( 'settings' ) ); /* * Process style declarations for block support features the current * block contains selectors for. Values for a feature with a custom * selector are filtered from the theme.json node before it is * processed as normal. */ $feature_declarations = array(); if ( ! empty( $block_metadata['features'] ) ) { foreach ( $block_metadata['features'] as $feature_name => $feature_selector ) { if ( ! empty( $node[ $feature_name ] ) ) { // Create temporary node containing only the feature data // to leverage existing `compute_style_properties` function. $feature = array( $feature_name => $node[ $feature_name ] ); // Generate the feature's declarations only. $new_feature_declarations = static::compute_style_properties( $feature, $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( $feature_declarations[ $feature_selector ] ) ) { foreach ( $new_feature_declarations as $new_feature_declaration ) { $feature_declarations[ $feature_selector ][] = $feature_declaration; } } else { $feature_declarations[ $feature_selector ] = $new_feature_declarations; } // Remove the feature from the block's node now the // styles will be included under the feature level selector. unset( $node[ $feature_name ] ); } } } /* * 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(); // TODO: Replace array_key_exists() with isset() check once WordPress drops // support for PHP 5.6. See https://core.trac.wordpress.org/ticket/57067. if ( array_key_exists( $current_element, static::VALID_ELEMENT_PSEUDO_SELECTORS ) ) { $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, 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 ] ) && // TODO: Replace array_key_exists() with isset() check once WordPress drops // support for PHP 5.6. See https://core.trac.wordpress.org/ticket/57067. array_key_exists( $current_element, static::VALID_ELEMENT_PSEUDO_SELECTORS ) && 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. Separate the declarations that use the general selector * from the ones using the duotone selector. */ $declarations_duotone = array(); foreach ( $declarations as $index => $declaration ) { if ( 'filter' === $declaration['name'] ) { unset( $declarations[ $index ] ); $declarations_duotone[] = $declaration; } } // 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( $selector, $declarations ); // 3. Generate and append the rules that use the duotone selector. if ( isset( $block_metadata['duotone'] ) && ! empty( $declarations_duotone ) ) { $selector_duotone = static::scope_selector( $block_metadata['selector'], $block_metadata['duotone'] ); $block_rules .= static::to_ruleset( $selector_duotone, $declarations_duotone ); } // 4. Generate Layout block gap styles. if ( static::ROOT_BLOCK_SELECTOR !== $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( $feature_selector, $individual_feature_declarations ); } return $block_rules; } /** * Outputs the CSS for layout rules on the root. * * @since 6.1.0 * * @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 = _wp_array_get( $this->theme_json, array( 'settings' ) ); $use_root_padding = isset( $this->theme_json['settings']['useRootPaddingAwareAlignments'] ) && true === $this->theme_json['settings']['useRootPaddingAwareAlignments']; /* * Reset default browser margin on the root body element. * This is set on the root 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 .= 'body { margin: 0;'; /* * 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 .= '--wp--style--global--content-size: ' . $content_size . ';'; $css .= '--wp--style--global--wide-size: ' . $wide_size . ';'; } $css .= ' }'; 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); }'; // Nested containers with `.has-global-padding` class do not get padding. $css .= '.has-global-padding :where(.has-global-padding) { padding-right: 0; padding-left: 0; }'; // 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); }'; // The above rule is negated for alignfull children of nested containers. $css .= '.has-global-padding :where(.has-global-padding) > .alignfull { margin-right: 0; margin-left: 0; }'; // Some of the children of alignfull blocks without content width should also get padding: text blocks and non-alignfull container blocks. $css .= '.has-global-padding > .alignfull:where(:not(.has-global-padding)) > :where([class*="wp-block-"]:not(.alignfull):not([class*="__"]),p,h1,h2,h3,h4,h5,h6,ul,ol) { padding-right: var(--wp--style--root--padding-right); padding-left: var(--wp--style--root--padding-left); }'; // The above rule also has to be negated for blocks inside nested `.has-global-padding` blocks. $css .= '.has-global-padding :where(.has-global-padding) > .alignfull:where(:not(.has-global-padding)) > :where([class*="wp-block-"]:not(.alignfull):not([class*="__"]),p,h1,h2,h3,h4,h5,h6,ul,ol) { padding-right: 0; padding-left: 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_value = _wp_array_get( $this->theme_json, array( 'styles', 'spacing', 'blockGap' ), '0.5em' ); $has_block_gap_support = _wp_array_get( $this->theme_json, array( 'settings', 'spacing', 'blockGap' ) ) !== null; if ( $has_block_gap_support ) { $block_gap_value = static::get_property_value( $this->theme_json, array( 'styles', 'spacing', 'blockGap' ) ); $css .= '.wp-site-blocks > * { margin-block-start: 0; margin-block-end: 0; }'; $css .= ".wp-site-blocks > * + * { margin-block-start: $block_gap_value; }"; // For backwards compatibility, ensure the legacy block gap CSS variable is still available. $css .= "$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. * * ```php * $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 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 = false ) { if ( is_bool( $path ) ) { return $path; } if ( is_array( $path ) ) { $value = _wp_array_get( $data, $path ); if ( null !== $value ) { return $value; } } return $default; } /** * 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 ); /* * 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 ) { $override_preset = ! static::get_metadata_boolean( $this->theme_json['settings'], $preset['prevent_override'], true ); foreach ( static::VALID_ORIGINS as $origin ) { $base_path = $node['path']; foreach ( $preset['path'] as $leaf ) { $base_path[] = $leaf; } $path = $base_path; $path[] = $origin; $content = _wp_array_get( $incoming_data, $path, null ); if ( ! isset( $content ) ) { continue; } if ( 'theme' === $origin && $preset['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; } } } } if ( ( 'theme' !== $origin ) || ( 'theme' === $origin && $override_preset ) ) { _wp_array_set( $this->theme_json, $path, $content ); } else { $slugs_node = static::get_default_slugs( $this->theme_json, $node['path'] ); $slugs = array_merge_recursive( $slugs_global, $slugs_node ); $slugs_for_preset = _wp_array_get( $slugs, $preset['path'], array() ); $content = static::filter_slugs( $content, $slugs_for_preset ); _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 boolean */ 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 leafs 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 * * @param array $theme_json Structure to sanitize. * @return array Sanitized structure. */ public static function remove_insecure_properties( $theme_json ) { $sanitized = array(); $theme_json = WP_Theme_JSON_Schema::migrate( $theme_json ); $valid_block_names = array_keys( static::get_blocks_metadata() ); $valid_element_names = array_keys( static::ELEMENTS ); $theme_json = static::sanitize( $theme_json, $valid_block_names, $valid_element_names ); $blocks_metadata = static::get_blocks_metadata(); $style_nodes = static::get_style_nodes( $theme_json, $blocks_metadata ); foreach ( $style_nodes as $metadata ) { $input = _wp_array_get( $theme_json, $metadata['path'], array() ); if ( empty( $input ) ) { continue; } $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. */ // TODO: Replace array_key_exists() with isset() check once WordPress drops // support for PHP 5.6. See https://core.trac.wordpress.org/ticket/57067. if ( array_key_exists( $current_element, static::VALID_ELEMENT_PSEUDO_SELECTORS ) ) { 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 ); } } $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 ); } } } 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 ); } } } 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 ) ); } /** * 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'] ) ) { if ( ! isset( $theme_settings['settings']['color'] ) ) { $theme_settings['settings']['color'] = array(); } $theme_settings['settings']['color']['custom'] = ! $settings['disableCustomColors']; } if ( isset( $settings['disableCustomGradients'] ) ) { if ( ! isset( $theme_settings['settings']['color'] ) ) { $theme_settings['settings']['color'] = array(); } $theme_settings['settings']['color']['customGradient'] = ! $settings['disableCustomGradients']; } if ( isset( $settings['disableCustomFontSizes'] ) ) { if ( ! isset( $theme_settings['settings']['typography'] ) ) { $theme_settings['settings']['typography'] = array(); } $theme_settings['settings']['typography']['customFontSize'] = ! $settings['disableCustomFontSizes']; } if ( isset( $settings['enableCustomLineHeight'] ) ) { if ( ! isset( $theme_settings['settings']['typography'] ) ) { $theme_settings['settings']['typography'] = array(); } $theme_settings['settings']['typography']['lineHeight'] = $settings['enableCustomLineHeight']; } if ( isset( $settings['enableCustomUnits'] ) ) { if ( ! isset( $theme_settings['settings']['spacing'] ) ) { $theme_settings['settings']['spacing'] = array(); } $theme_settings['settings']['spacing']['units'] = ( true === $settings['enableCustomUnits'] ) ? array( 'px', 'em', 'rem', 'vh', 'vw', '%' ) : $settings['enableCustomUnits']; } if ( isset( $settings['colors'] ) ) { if ( ! isset( $theme_settings['settings']['color'] ) ) { $theme_settings['settings']['color'] = array(); } $theme_settings['settings']['color']['palette'] = $settings['colors']; } if ( isset( $settings['gradients'] ) ) { if ( ! isset( $theme_settings['settings']['color'] ) ) { $theme_settings['settings']['color'] = array(); } $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'; } } if ( ! isset( $theme_settings['settings']['typography'] ) ) { $theme_settings['settings']['typography'] = array(); } $theme_settings['settings']['typography']['fontSizes'] = $font_sizes; } if ( isset( $settings['enableCustomSpacing'] ) ) { if ( ! isset( $theme_settings['settings']['spacing'] ) ) { $theme_settings['settings']['spacing'] = array(); } $theme_settings['settings']['spacing']['padding'] = $settings['enableCustomSpacing']; } 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 * * @return null|void */ public function set_spacing_sizes() { $spacing_scale = _wp_array_get( $this->theme_json, array( '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 ) ) { trigger_error( __( 'Some of the theme.json settings.spacing.spacingScale values are invalid' ), 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; } $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; } // If there are 7 or less 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 ); } } lobal $wpdb; switch ( $comment_status ) { case 'hold': case '0': $status = '0'; break; case 'approve': case '1': $status = '1'; add_action( 'wp_set_comment_status', 'wp_new_comment_notify_postauthor' ); break; case 'spam': $status = 'spam'; break; case 'trash': $status = 'trash'; break; default: return false; } $comment_old = clone get_comment( $comment_id ); if ( ! $wpdb->update( $wpdb->comments, array( 'comment_approved' => $status ), array( 'comment_ID' => $comment_old->comment_ID ) ) ) { if ( $wp_error ) { return new WP_Error( 'db_update_error', __( 'Could not update comment status.' ), $wpdb->last_error ); } else { return false; } } clean_comment_cache( $comment_old->comment_ID ); $comment = get_comment( $comment_old->comment_ID ); /** * Fires immediately after transitioning a comment's status from one to another in the database * and removing the comment from the object cache, but prior to all status transition hooks. * * @since 1.5.0 * * @param string $comment_id Comment ID as a numeric string. * @param string $comment_status Current comment status. Possible values include * 'hold', '0', 'approve', '1', 'spam', and 'trash'. */ do_action( 'wp_set_comment_status', $comment->comment_ID, $comment_status ); wp_transition_comment_status( $comment_status, $comment_old->comment_approved, $comment ); wp_update_comment_count( $comment->comment_post_ID ); return true; } /** * Updates an existing comment in the database. * * Filters the comment and makes sure certain fields are valid before updating. * * @since 2.0.0 * @since 4.9.0 Add updating comment meta during comment update. * @since 5.5.0 The `$wp_error` parameter was added. * @since 5.5.0 The return values for an invalid comment or post ID * were changed to false instead of 0. * * @global wpdb $wpdb WordPress database abstraction object. * * @param array $commentarr Contains information on the comment. * @param bool $wp_error Optional. Whether to return a WP_Error on failure. Default false. * @return int|false|WP_Error The value 1 if the comment was updated, 0 if not updated. * False or a WP_Error object on failure. */ function wp_update_comment( $commentarr, $wp_error = false ) { global $wpdb; // First, get all of the original fields. $comment = get_comment( $commentarr['comment_ID'], ARRAY_A ); if ( empty( $comment ) ) { if ( $wp_error ) { return new WP_Error( 'invalid_comment_id', __( 'Invalid comment ID.' ) ); } else { return false; } } // Make sure that the comment post ID is valid (if specified). if ( ! empty( $commentarr['comment_post_ID'] ) && ! get_post( $commentarr['comment_post_ID'] ) ) { if ( $wp_error ) { return new WP_Error( 'invalid_post_id', __( 'Invalid post ID.' ) ); } else { return false; } } $filter_comment = false; if ( ! has_filter( 'pre_comment_content', 'wp_filter_kses' ) ) { $filter_comment = ! user_can( isset( $comment['user_id'] ) ? $comment['user_id'] : 0, 'unfiltered_html' ); } if ( $filter_comment ) { add_filter( 'pre_comment_content', 'wp_filter_kses' ); } // Escape data pulled from DB. $comment = wp_slash( $comment ); $old_status = $comment['comment_approved']; // Merge old and new fields with new fields overwriting old ones. $commentarr = array_merge( $comment, $commentarr ); $commentarr = wp_filter_comment( $commentarr ); if ( $filter_comment ) { remove_filter( 'pre_comment_content', 'wp_filter_kses' ); } // Now extract the merged array. $data = wp_unslash( $commentarr ); /** * Filters the comment content before it is updated in the database. * * @since 1.5.0 * * @param string $comment_content The comment data. */ $data['comment_content'] = apply_filters( 'comment_save_pre', $data['comment_content'] ); $data['comment_date_gmt'] = get_gmt_from_date( $data['comment_date'] ); if ( ! isset( $data['comment_approved'] ) ) { $data['comment_approved'] = 1; } elseif ( 'hold' === $data['comment_approved'] ) { $data['comment_approved'] = 0; } elseif ( 'approve' === $data['comment_approved'] ) { $data['comment_approved'] = 1; } $comment_id = $data['comment_ID']; $comment_post_id = $data['comment_post_ID']; /** * Filters the comment data immediately before it is updated in the database. * * Note: data being passed to the filter is already unslashed. * * @since 4.7.0 * @since 5.5.0 Returning a WP_Error value from the filter will short-circuit comment update * and allow skipping further processing. * * @param array|WP_Error $data The new, processed comment data, or WP_Error. * @param array $comment The old, unslashed comment data. * @param array $commentarr The new, raw comment data. */ $data = apply_filters( 'wp_update_comment_data', $data, $comment, $commentarr ); // Do not carry on on failure. if ( is_wp_error( $data ) ) { if ( $wp_error ) { return $data; } else { return false; } } $keys = array( 'comment_post_ID', 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_author_IP', 'comment_date', 'comment_date_gmt', 'comment_content', 'comment_karma', 'comment_approved', 'comment_agent', 'comment_type', 'comment_parent', 'user_id', ); $data = wp_array_slice_assoc( $data, $keys ); $result = $wpdb->update( $wpdb->comments, $data, array( 'comment_ID' => $comment_id ) ); if ( false === $result ) { if ( $wp_error ) { return new WP_Error( 'db_update_error', __( 'Could not update comment in the database.' ), $wpdb->last_error ); } else { return false; } } // If metadata is provided, store it. if ( isset( $commentarr['comment_meta'] ) && is_array( $commentarr['comment_meta'] ) ) { foreach ( $commentarr['comment_meta'] as $meta_key => $meta_value ) { update_comment_meta( $comment_id, $meta_key, $meta_value ); } } clean_comment_cache( $comment_id ); wp_update_comment_count( $comment_post_id ); /** * Fires immediately after a comment is updated in the database. * * The hook also fires immediately before comment status transition hooks are fired. * * @since 1.2.0 * @since 4.6.0 Added the `$data` parameter. * * @param int $comment_id The comment ID. * @param array $data Comment data. */ do_action( 'edit_comment', $comment_id, $data ); $comment = get_comment( $comment_id ); wp_transition_comment_status( $comment->comment_approved, $old_status, $comment ); return $result; } /** * Determines whether to defer comment counting. * * When setting $defer to true, all post comment counts will not be updated * until $defer is set to false. When $defer is set to false, then all * previously deferred updated post comment counts will then be automatically * updated without having to call wp_update_comment_count() after. * * @since 2.5.0 * * @param bool $defer * @return bool */ function wp_defer_comment_counting( $defer = null ) { static $_defer = false; if ( is_bool( $defer ) ) { $_defer = $defer; // Flush any deferred counts. if ( ! $defer ) { wp_update_comment_count( null, true ); } } return $_defer; } /** * Updates the comment count for post(s). * * When $do_deferred is false (is by default) and the comments have been set to * be deferred, the post_id will be added to a queue, which will be updated at a * later date and only updated once per post ID. * * If the comments have not be set up to be deferred, then the post will be * updated. When $do_deferred is set to true, then all previous deferred post * IDs will be updated along with the current $post_id. * * @since 2.1.0 * * @see wp_update_comment_count_now() For what could cause a false return value * * @param int|null $post_id Post ID. * @param bool $do_deferred Optional. Whether to process previously deferred * post comment counts. Default false. * @return bool|void True on success, false on failure or if post with ID does * not exist. */ function wp_update_comment_count( $post_id, $do_deferred = false ) { static $_deferred = array(); if ( empty( $post_id ) && ! $do_deferred ) { return false; } if ( $do_deferred ) { $_deferred = array_unique( $_deferred ); foreach ( $_deferred as $i => $_post_id ) { wp_update_comment_count_now( $_post_id ); unset( $_deferred[ $i ] ); /** @todo Move this outside of the foreach and reset $_deferred to an array instead */ } } if ( wp_defer_comment_counting() ) { $_deferred[] = $post_id; return true; } elseif ( $post_id ) { return wp_update_comment_count_now( $post_id ); } } /** * Updates the comment count for the post. * * @since 2.5.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int $post_id Post ID * @return bool True on success, false if the post does not exist. */ function wp_update_comment_count_now( $post_id ) { global $wpdb; $post_id = (int) $post_id; if ( ! $post_id ) { return false; } wp_cache_delete( 'comments-0', 'counts' ); wp_cache_delete( "comments-{$post_id}", 'counts' ); $post = get_post( $post_id ); if ( ! $post ) { return false; } $old = (int) $post->comment_count; /** * Filters a post's comment count before it is updated in the database. * * @since 4.5.0 * * @param int|null $new The new comment count. Default null. * @param int $old The old comment count. * @param int $post_id Post ID. */ $new = apply_filters( 'pre_wp_update_comment_count_now', null, $old, $post_id ); if ( is_null( $new ) ) { $new = (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved = '1'", $post_id ) ); } else { $new = (int) $new; } $wpdb->update( $wpdb->posts, array( 'comment_count' => $new ), array( 'ID' => $post_id ) ); clean_post_cache( $post ); /** * Fires immediately after a post's comment count is updated in the database. * * @since 2.3.0 * * @param int $post_id Post ID. * @param int $new The new comment count. * @param int $old The old comment count. */ do_action( 'wp_update_comment_count', $post_id, $new, $old ); /** This action is documented in wp-includes/post.php */ do_action( "edit_post_{$post->post_type}", $post_id, $post ); /** This action is documented in wp-includes/post.php */ do_action( 'edit_post', $post_id, $post ); return true; } // // Ping and trackback functions. // /** * Finds a pingback server URI based on the given URL. * * Checks the HTML for the rel="pingback" link and x-pingback headers. It does * a check for the x-pingback headers first and returns that, if available. The * check for the rel="pingback" has more overhead than just the header. * * @since 1.5.0 * * @param string $url URL to ping. * @param string $deprecated Not Used. * @return string|false String containing URI on success, false on failure. */ function discover_pingback_server_uri( $url, $deprecated = '' ) { if ( ! empty( $deprecated ) ) { _deprecated_argument( __FUNCTION__, '2.7.0' ); } $pingback_str_dquote = 'rel="pingback"'; $pingback_str_squote = 'rel=\'pingback\''; /** @todo Should use Filter Extension or custom preg_match instead. */ $parsed_url = parse_url( $url ); if ( ! isset( $parsed_url['host'] ) ) { // Not a URL. This should never happen. return false; } // Do not search for a pingback server on our own uploads. $uploads_dir = wp_get_upload_dir(); if ( 0 === strpos( $url, $uploads_dir['baseurl'] ) ) { return false; } $response = wp_safe_remote_head( $url, array( 'timeout' => 2, 'httpversion' => '1.0', ) ); if ( is_wp_error( $response ) ) { return false; } if ( wp_remote_retrieve_header( $response, 'x-pingback' ) ) { return wp_remote_retrieve_header( $response, 'x-pingback' ); } // Not an (x)html, sgml, or xml page, no use going further. if ( preg_match( '#(image|audio|video|model)/#is', wp_remote_retrieve_header( $response, 'content-type' ) ) ) { return false; } // Now do a GET since we're going to look in the HTML headers (and we're sure it's not a binary file). $response = wp_safe_remote_get( $url, array( 'timeout' => 2, 'httpversion' => '1.0', ) ); if ( is_wp_error( $response ) ) { return false; } $contents = wp_remote_retrieve_body( $response ); $pingback_link_offset_dquote = strpos( $contents, $pingback_str_dquote ); $pingback_link_offset_squote = strpos( $contents, $pingback_str_squote ); if ( $pingback_link_offset_dquote || $pingback_link_offset_squote ) { $quote = ( $pingback_link_offset_dquote ) ? '"' : '\''; $pingback_link_offset = ( '"' === $quote ) ? $pingback_link_offset_dquote : $pingback_link_offset_squote; $pingback_href_pos = strpos( $contents, 'href=', $pingback_link_offset ); $pingback_href_start = $pingback_href_pos + 6; $pingback_href_end = strpos( $contents, $quote, $pingback_href_start ); $pingback_server_url_len = $pingback_href_end - $pingback_href_start; $pingback_server_url = substr( $contents, $pingback_href_start, $pingback_server_url_len ); // We may find rel="pingback" but an incomplete pingback URL. if ( $pingback_server_url_len > 0 ) { // We got it! return $pingback_server_url; } } return false; } /** * Performs all pingbacks, enclosures, trackbacks, and sends to pingback services. * * @since 2.1.0 * @since 5.6.0 Introduced `do_all_pings` action hook for individual services. */ function do_all_pings() { /** * Fires immediately after the `do_pings` event to hook services individually. * * @since 5.6.0 */ do_action( 'do_all_pings' ); } /** * Performs all pingbacks. * * @since 5.6.0 */ function do_all_pingbacks() { $pings = get_posts( array( 'post_type' => get_post_types(), 'suppress_filters' => false, 'nopaging' => true, 'meta_key' => '_pingme', 'fields' => 'ids', ) ); foreach ( $pings as $ping ) { delete_post_meta( $ping, '_pingme' ); pingback( null, $ping ); } } /** * Performs all enclosures. * * @since 5.6.0 */ function do_all_enclosures() { $enclosures = get_posts( array( 'post_type' => get_post_types(), 'suppress_filters' => false, 'nopaging' => true, 'meta_key' => '_encloseme', 'fields' => 'ids', ) ); foreach ( $enclosures as $enclosure ) { delete_post_meta( $enclosure, '_encloseme' ); do_enclose( null, $enclosure ); } } /** * Performs all trackbacks. * * @since 5.6.0 */ function do_all_trackbacks() { $trackbacks = get_posts( array( 'post_type' => get_post_types(), 'suppress_filters' => false, 'nopaging' => true, 'meta_key' => '_trackbackme', 'fields' => 'ids', ) ); foreach ( $trackbacks as $trackback ) { delete_post_meta( $trackback, '_trackbackme' ); do_trackbacks( $trackback ); } } /** * Performs trackbacks. * * @since 1.5.0 * @since 4.7.0 `$post` can be a WP_Post object. * * @global wpdb $wpdb WordPress database abstraction object. * * @param int|WP_Post $post Post ID or object to do trackbacks on. */ function do_trackbacks( $post ) { global $wpdb; $post = get_post( $post ); if ( ! $post ) { return false; } $to_ping = get_to_ping( $post ); $pinged = get_pung( $post ); if ( empty( $to_ping ) ) { $wpdb->update( $wpdb->posts, array( 'to_ping' => '' ), array( 'ID' => $post->ID ) ); return; } if ( empty( $post->post_excerpt ) ) { /** This filter is documented in wp-includes/post-template.php */ $excerpt = apply_filters( 'the_content', $post->post_content, $post->ID ); } else { /** This filter is documented in wp-includes/post-template.php */ $excerpt = apply_filters( 'the_excerpt', $post->post_excerpt ); } $excerpt = str_replace( ']]>', ']]>', $excerpt ); $excerpt = wp_html_excerpt( $excerpt, 252, '…' ); /** This filter is documented in wp-includes/post-template.php */ $post_title = apply_filters( 'the_title', $post->post_title, $post->ID ); $post_title = strip_tags( $post_title ); if ( $to_ping ) { foreach ( (array) $to_ping as $tb_ping ) { $tb_ping = trim( $tb_ping ); if ( ! in_array( $tb_ping, $pinged, true ) ) { trackback( $tb_ping, $post_title, $excerpt, $post->ID ); $pinged[] = $tb_ping; } else { $wpdb->query( $wpdb->prepare( "UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, %s, '')) WHERE ID = %d", $tb_ping, $post->ID ) ); } } } } /** * Sends pings to all of the ping site services. * * @since 1.2.0 * * @param int $post_id Post ID. * @return int Same post ID as provided. */ function generic_ping( $post_id = 0 ) { $services = get_option( 'ping_sites' ); $services = explode( "\n", $services ); foreach ( (array) $services as $service ) { $service = trim( $service ); if ( '' !== $service ) { weblog_ping( $service ); } } return $post_id; } /** * Pings back the links found in a post. * * @since 0.71 * @since 4.7.0 `$post` can be a WP_Post object. * * @param string $content Post content to check for links. If empty will retrieve from post. * @param int|WP_Post $post Post ID or object. */ function pingback( $content, $post ) { include_once ABSPATH . WPINC . '/class-IXR.php'; include_once ABSPATH . WPINC . '/class-wp-http-ixr-client.php'; // Original code by Mort (http://mort.mine.nu:8080). $post_links = array(); $post = get_post( $post ); if ( ! $post ) { return; } $pung = get_pung( $post ); if ( empty( $content ) ) { $content = $post->post_content; } /* * Step 1. * Parsing the post, external links (if any) are stored in the $post_links array. */ $post_links_temp = wp_extract_urls( $content ); /* * Step 2. * Walking through the links array. * First we get rid of links pointing to sites, not to specific files. * Example: * http://dummy-weblog.org * http://dummy-weblog.org/ * http://dummy-weblog.org/post.php * We don't wanna ping first and second types, even if they have a valid . */ foreach ( (array) $post_links_temp as $link_test ) { // If we haven't pung it already and it isn't a link to itself. if ( ! in_array( $link_test, $pung, true ) && ( url_to_postid( $link_test ) != $post->ID ) // Also, let's never ping local attachments. && ! is_local_attachment( $link_test ) ) { $test = parse_url( $link_test ); if ( $test ) { if ( isset( $test['query'] ) ) { $post_links[] = $link_test; } elseif ( isset( $test['path'] ) && ( '/' !== $test['path'] ) && ( '' !== $test['path'] ) ) { $post_links[] = $link_test; } } } } $post_links = array_unique( $post_links ); /** * Fires just before pinging back links found in a post. * * @since 2.0.0 * * @param string[] $post_links Array of link URLs to be checked (passed by reference). * @param string[] $pung Array of link URLs already pinged (passed by reference). * @param int $post_id The post ID. */ do_action_ref_array( 'pre_ping', array( &$post_links, &$pung, $post->ID ) ); foreach ( (array) $post_links as $pagelinkedto ) { $pingback_server_url = discover_pingback_server_uri( $pagelinkedto ); if ( $pingback_server_url ) { set_time_limit( 60 ); // Now, the RPC call. $pagelinkedfrom = get_permalink( $post ); // Using a timeout of 3 seconds should be enough to cover slow servers. $client = new WP_HTTP_IXR_Client( $pingback_server_url ); $client->timeout = 3; /** * Filters the user agent sent when pinging-back a URL. * * @since 2.9.0 * * @param string $concat_useragent The user agent concatenated with ' -- WordPress/' * and the WordPress version. * @param string $useragent The useragent. * @param string $pingback_server_url The server URL being linked to. * @param string $pagelinkedto URL of page linked to. * @param string $pagelinkedfrom URL of page linked from. */ $client->useragent = apply_filters( 'pingback_useragent', $client->useragent . ' -- WordPress/' . get_bloginfo( 'version' ), $client->useragent, $pingback_server_url, $pagelinkedto, $pagelinkedfrom ); // When set to true, this outputs debug messages by itself. $client->debug = false; if ( $client->query( 'pingback.ping', $pagelinkedfrom, $pagelinkedto ) || ( isset( $client->error->code ) && 48 == $client->error->code ) ) { // Already registered. add_ping( $post, $pagelinkedto ); } } } } /** * Checks whether blog is public before returning sites. * * @since 2.1.0 * * @param mixed $sites Will return if blog is public, will not return if not public. * @return mixed Empty string if blog is not public, returns $sites, if site is public. */ function privacy_ping_filter( $sites ) { if ( '0' != get_option( 'blog_public' ) ) { return $sites; } else { return ''; } } /** * Sends a Trackback. * * Updates database when sending trackback to prevent duplicates. * * @since 0.71 * * @global wpdb $wpdb WordPress database abstraction object. * * @param string $trackback_url URL to send trackbacks. * @param string $title Title of post. * @param string $excerpt Excerpt of post. * @param int $ID Post ID. * @return int|false|void Database query from update. */ function trackback( $trackback_url, $title, $excerpt, $ID ) { global $wpdb; if ( empty( $trackback_url ) ) { return; } $options = array(); $options['timeout'] = 10; $options['body'] = array( 'title' => $title, 'url' => get_permalink( $ID ), 'blog_name' => get_option( 'blogname' ), 'excerpt' => $excerpt, ); $response = wp_safe_remote_post( $trackback_url, $options ); if ( is_wp_error( $response ) ) { return; } $wpdb->query( $wpdb->prepare( "UPDATE $wpdb->posts SET pinged = CONCAT(pinged, '\n', %s) WHERE ID = %d", $trackback_url, $ID ) ); return $wpdb->query( $wpdb->prepare( "UPDATE $wpdb->posts SET to_ping = TRIM(REPLACE(to_ping, %s, '')) WHERE ID = %d", $trackback_url, $ID ) ); } /** * Sends a pingback. * * @since 1.2.0 * * @param string $server Host of blog to connect to. * @param string $path Path to send the ping. */ function weblog_ping( $server = '', $path = '' ) { include_once ABSPATH . WPINC . '/class-IXR.php'; include_once ABSPATH . WPINC . '/class-wp-http-ixr-client.php'; // Using a timeout of 3 seconds should be enough to cover slow servers. $client = new WP_HTTP_IXR_Client( $server, ( ( ! strlen( trim( $path ) ) || ( '/' === $path ) ) ? false : $path ) ); $client->timeout = 3; $client->useragent .= ' -- WordPress/' . get_bloginfo( 'version' ); // When set to true, this outputs debug messages by itself. $client->debug = false; $home = trailingslashit( home_url() ); if ( ! $client->query( 'weblogUpdates.extendedPing', get_option( 'blogname' ), $home, get_bloginfo( 'rss2_url' ) ) ) { // Then try a normal ping. $client->query( 'weblogUpdates.ping', get_option( 'blogname' ), $home ); } } /** * Default filter attached to pingback_ping_source_uri to validate the pingback's Source URI. * * @since 3.5.1 * * @see wp_http_validate_url() * * @param string $source_uri * @return string */ function pingback_ping_source_uri( $source_uri ) { return (string) wp_http_validate_url( $source_uri ); } /** * Default filter attached to xmlrpc_pingback_error. * * Returns a generic pingback error code unless the error code is 48, * which reports that the pingback is already registered. * * @since 3.5.1 * * @link https://www.hixie.ch/specs/pingback/pingback#TOC3 * * @param IXR_Error $ixr_error * @return IXR_Error */ function xmlrpc_pingback_error( $ixr_error ) { if ( 48 === $ixr_error->code ) { return $ixr_error; } return new IXR_Error( 0, '' ); } // // Cache. // /** * Removes a comment from the object cache. * * @since 2.3.0 * * @param int|array $ids Comment ID or an array of comment IDs to remove from cache. */ function clean_comment_cache( $ids ) { $comment_ids = (array) $ids; wp_cache_delete_multiple( $comment_ids, 'comment' ); foreach ( $comment_ids as $id ) { /** * Fires immediately after a comment has been removed from the object cache. * * @since 4.5.0 * * @param int $id Comment ID. */ do_action( 'clean_comment_cache', $id ); } wp_cache_set( 'last_changed', microtime(), 'comment' ); } /** * Updates the comment cache of given comments. * * Will add the comments in $comments to the cache. If comment ID already exists * in the comment cache then it will not be updated. The comment is added to the * cache using the comment group with the key using the ID of the comments. * * @since 2.3.0 * @since 4.4.0 Introduced the `$update_meta_cache` parameter. * * @param WP_Comment[] $comments Array of comment objects * @param bool $update_meta_cache Whether to update commentmeta cache. Default true. */ function update_comment_cache( $comments, $update_meta_cache = true ) { $data = array(); foreach ( (array) $comments as $comment ) { $data[ $comment->comment_ID ] = $comment; } wp_cache_add_multiple( $data, 'comment' ); if ( $update_meta_cache ) { // Avoid `wp_list_pluck()` in case `$comments` is passed by reference. $comment_ids = array(); foreach ( $comments as $comment ) { $comment_ids[] = $comment->comment_ID; } update_meta_cache( 'comment', $comment_ids ); } } /** * Adds any comments from the given IDs to the cache that do not already exist in cache. * * @since 4.4.0 * @since 6.1.0 This function is no longer marked as "private". * * @see update_comment_cache() * @global wpdb $wpdb WordPress database abstraction object. * * @param int[] $comment_ids Array of comment IDs. * @param bool $update_meta_cache Optional. Whether to update the meta cache. Default true. */ function _prime_comment_caches( $comment_ids, $update_meta_cache = true ) { global $wpdb; $non_cached_ids = _get_non_cached_ids( $comment_ids, 'comment' ); if ( ! empty( $non_cached_ids ) ) { $fresh_comments = $wpdb->get_results( sprintf( "SELECT $wpdb->comments.* FROM $wpdb->comments WHERE comment_ID IN (%s)", implode( ',', array_map( 'intval', $non_cached_ids ) ) ) ); update_comment_cache( $fresh_comments, $update_meta_cache ); } } // // Internal. // /** * Closes comments on old posts on the fly, without any extra DB queries. Hooked to the_posts. * * @since 2.7.0 * @access private * * @param WP_Post $posts Post data object. * @param WP_Query $query Query object. * @return array */ function _close_comments_for_old_posts( $posts, $query ) { if ( empty( $posts ) || ! $query->is_singular() || ! get_option( 'close_comments_for_old_posts' ) ) { return $posts; } /** * Filters the list of post types to automatically close comments for. * * @since 3.2.0 * * @param string[] $post_types An array of post type names. */ $post_types = apply_filters( 'close_comments_for_post_types', array( 'post' ) ); if ( ! in_array( $posts[0]->post_type, $post_types, true ) ) { return $posts; } $days_old = (int) get_option( 'close_comments_days_old' ); if ( ! $days_old ) { return $posts; } if ( time() - strtotime( $posts[0]->post_date_gmt ) > ( $days_old * DAY_IN_SECONDS ) ) { $posts[0]->comment_status = 'closed'; $posts[0]->ping_status = 'closed'; } return $posts; } /** * Closes comments on an old post. Hooked to comments_open and pings_open. * * @since 2.7.0 * @access private * * @param bool $open Comments open or closed. * @param int $post_id Post ID. * @return bool $open */ function _close_comments_for_old_post( $open, $post_id ) { if ( ! $open ) { return $open; } if ( ! get_option( 'close_comments_for_old_posts' ) ) { return $open; } $days_old = (int) get_option( 'close_comments_days_old' ); if ( ! $days_old ) { return $open; } $post = get_post( $post_id ); /** This filter is documented in wp-includes/comment.php */ $post_types = apply_filters( 'close_comments_for_post_types', array( 'post' ) ); if ( ! in_array( $post->post_type, $post_types, true ) ) { return $open; } // Undated drafts should not show up as comments closed. if ( '0000-00-00 00:00:00' === $post->post_date_gmt ) { return $open; } if ( time() - strtotime( $post->post_date_gmt ) > ( $days_old * DAY_IN_SECONDS ) ) { return false; } return $open; } /** * Handles the submission of a comment, usually posted to wp-comments-post.php via a comment form. * * This function expects unslashed data, as opposed to functions such as `wp_new_comment()` which * expect slashed data. * * @since 4.4.0 * * @param array $comment_data { * Comment data. * * @type string|int $comment_post_ID The ID of the post that relates to the comment. * @type string $author The name of the comment author. * @type string $email The comment author email address. * @type string $url The comment author URL. * @type string $comment The content of the comment. * @type string|int $comment_parent The ID of this comment's parent, if any. Default 0. * @type string $_wp_unfiltered_html_comment The nonce value for allowing unfiltered HTML. * } * @return WP_Comment|WP_Error A WP_Comment object on success, a WP_Error object on failure. */ function wp_handle_comment_submission( $comment_data ) { $comment_post_id = 0; $comment_author = ''; $comment_author_email = ''; $comment_author_url = ''; $comment_content = ''; $comment_parent = 0; $user_id = 0; if ( isset( $comment_data['comment_post_ID'] ) ) { $comment_post_id = (int) $comment_data['comment_post_ID']; } if ( isset( $comment_data['author'] ) && is_string( $comment_data['author'] ) ) { $comment_author = trim( strip_tags( $comment_data['author'] ) ); } if ( isset( $comment_data['email'] ) && is_string( $comment_data['email'] ) ) { $comment_author_email = trim( $comment_data['email'] ); } if ( isset( $comment_data['url'] ) && is_string( $comment_data['url'] ) ) { $comment_author_url = trim( $comment_data['url'] ); } if ( isset( $comment_data['comment'] ) && is_string( $comment_data['comment'] ) ) { $comment_content = trim( $comment_data['comment'] ); } if ( isset( $comment_data['comment_parent'] ) ) { $comment_parent = absint( $comment_data['comment_parent'] ); } $post = get_post( $comment_post_id ); if ( empty( $post->comment_status ) ) { /** * Fires when a comment is attempted on a post that does not exist. * * @since 1.5.0 * * @param int $comment_post_id Post ID. */ do_action( 'comment_id_not_found', $comment_post_id ); return new WP_Error( 'comment_id_not_found' ); } // get_post_status() will get the parent status for attachments. $status = get_post_status( $post ); if ( ( 'private' === $status ) && ! current_user_can( 'read_post', $comment_post_id ) ) { return new WP_Error( 'comment_id_not_found' ); } $status_obj = get_post_status_object( $status ); if ( ! comments_open( $comment_post_id ) ) { /** * Fires when a comment is attempted on a post that has comments closed. * * @since 1.5.0 * * @param int $comment_post_id Post ID. */ do_action( 'comment_closed', $comment_post_id ); return new WP_Error( 'comment_closed', __( 'Sorry, comments are closed for this item.' ), 403 ); } elseif ( 'trash' === $status ) { /** * Fires when a comment is attempted on a trashed post. * * @since 2.9.0 * * @param int $comment_post_id Post ID. */ do_action( 'comment_on_trash', $comment_post_id ); return new WP_Error( 'comment_on_trash' ); } elseif ( ! $status_obj->public && ! $status_obj->private ) { /** * Fires when a comment is attempted on a post in draft mode. * * @since 1.5.1 * * @param int $comment_post_id Post ID. */ do_action( 'comment_on_draft', $comment_post_id ); if ( current_user_can( 'read_post', $comment_post_id ) ) { return new WP_Error( 'comment_on_draft', __( 'Sorry, comments are not allowed for this item.' ), 403 ); } else { return new WP_Error( 'comment_on_draft' ); } } elseif ( post_password_required( $comment_post_id ) ) { /** * Fires when a comment is attempted on a password-protected post. * * @since 2.9.0 * * @param int $comment_post_id Post ID. */ do_action( 'comment_on_password_protected', $comment_post_id ); return new WP_Error( 'comment_on_password_protected' ); } else { /** * Fires before a comment is posted. * * @since 2.8.0 * * @param int $comment_post_id Post ID. */ do_action( 'pre_comment_on_post', $comment_post_id ); } // If the user is logged in. $user = wp_get_current_user(); if ( $user->exists() ) { if ( empty( $user->display_name ) ) { $user->display_name = $user->user_login; } $comment_author = $user->display_name; $comment_author_email = $user->user_email; $comment_author_url = $user->user_url; $user_id = $user->ID; if ( current_user_can( 'unfiltered_html' ) ) { if ( ! isset( $comment_data['_wp_unfiltered_html_comment'] ) || ! wp_verify_nonce( $comment_data['_wp_unfiltered_html_comment'], 'unfiltered-html-comment_' . $comment_post_id ) ) { kses_remove_filters(); // Start with a clean slate. kses_init_filters(); // Set up the filters. remove_filter( 'pre_comment_content', 'wp_filter_post_kses' ); add_filter( 'pre_comment_content', 'wp_filter_kses' ); } } } else { if ( get_option( 'comment_registration' ) ) { return new WP_Error( 'not_logged_in', __( 'Sorry, you must be logged in to comment.' ), 403 ); } } $comment_type = 'comment'; if ( get_option( 'require_name_email' ) && ! $user->exists() ) { if ( '' == $comment_author_email || '' == $comment_author ) { return new WP_Error( 'require_name_email', __( 'Error: Please fill the required fields.' ), 200 ); } elseif ( ! is_email( $comment_author_email ) ) { return new WP_Error( 'require_valid_email', __( 'Error: Please enter a valid email address.' ), 200 ); } } $commentdata = array( 'comment_post_ID' => $comment_post_id, ); $commentdata += compact( 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_content', 'comment_type', 'comment_parent', 'user_id' ); /** * Filters whether an empty comment should be allowed. * * @since 5.1.0 * * @param bool $allow_empty_comment Whether to allow empty comments. Default false. * @param array $commentdata Array of comment data to be sent to wp_insert_comment(). */ $allow_empty_comment = apply_filters( 'allow_empty_comment', false, $commentdata ); if ( '' === $comment_content && ! $allow_empty_comment ) { return new WP_Error( 'require_valid_comment', __( 'Error: Please type your comment text.' ), 200 ); } $check_max_lengths = wp_check_comment_data_max_lengths( $commentdata ); if ( is_wp_error( $check_max_lengths ) ) { return $check_max_lengths; } $comment_id = wp_new_comment( wp_slash( $commentdata ), true ); if ( is_wp_error( $comment_id ) ) { return $comment_id; } if ( ! $comment_id ) { return new WP_Error( 'comment_save_error', __( 'Error: The comment could not be saved. Please try again later.' ), 500 ); } return get_comment( $comment_id ); } /** * Registers the personal data exporter for comments. * * @since 4.9.6 * * @param array $exporters An array of personal data exporters. * @return array An array of personal data exporters. */ function wp_register_comment_personal_data_exporter( $exporters ) { $exporters['wordpress-comments'] = array( 'exporter_friendly_name' => __( 'WordPress Comments' ), 'callback' => 'wp_comments_personal_data_exporter', ); return $exporters; } /** * Finds and exports personal data associated with an email address from the comments table. * * @since 4.9.6 * * @param string $email_address The comment author email address. * @param int $page Comment page. * @return array An array of personal data. */ function wp_comments_personal_data_exporter( $email_address, $page = 1 ) { // Limit us to 500 comments at a time to avoid timing out. $number = 500; $page = (int) $page; $data_to_export = array(); $comments = get_comments( array( 'author_email' => $email_address, 'number' => $number, 'paged' => $page, 'order_by' => 'comment_ID', 'order' => 'ASC', 'update_comment_meta_cache' => false, ) ); $comment_prop_to_export = array( 'comment_author' => __( 'Comment Author' ), 'comment_author_email' => __( 'Comment Author Email' ), 'comment_author_url' => __( 'Comment Author URL' ), 'comment_author_IP' => __( 'Comment Author IP' ), 'comment_agent' => __( 'Comment Author User Agent' ), 'comment_date' => __( 'Comment Date' ), 'comment_content' => __( 'Comment Content' ), 'comment_link' => __( 'Comment URL' ), ); foreach ( (array) $comments as $comment ) { $comment_data_to_export = array(); foreach ( $comment_prop_to_export as $key => $name ) { $value = ''; switch ( $key ) { case 'comment_author': case 'comment_author_email': case 'comment_author_url': case 'comment_author_IP': case 'comment_agent': case 'comment_date': $value = $comment->{$key}; break; case 'comment_content': $value = get_comment_text( $comment->comment_ID ); break; case 'comment_link': $value = get_comment_link( $comment->comment_ID ); $value = sprintf( '%s', esc_url( $value ), esc_html( $value ) ); break; } if ( ! empty( $value ) ) { $comment_data_to_export[] = array( 'name' => $name, 'value' => $value, ); } } $data_to_export[] = array( 'group_id' => 'comments', 'group_label' => __( 'Comments' ), 'group_description' => __( 'User’s comment data.' ), 'item_id' => "comment-{$comment->comment_ID}", 'data' => $comment_data_to_export, ); } $done = count( $comments ) < $number; return array( 'data' => $data_to_export, 'done' => $done, ); } /** * Registers the personal data eraser for comments. * * @since 4.9.6 * * @param array $erasers An array of personal data erasers. * @return array An array of personal data erasers. */ function wp_register_comment_personal_data_eraser( $erasers ) { $erasers['wordpress-comments'] = array( 'eraser_friendly_name' => __( 'WordPress Comments' ), 'callback' => 'wp_comments_personal_data_eraser', ); return $erasers; } /** * Erases personal data associated with an email address from the comments table. * * @since 4.9.6 * * @param string $email_address The comment author email address. * @param int $page Comment page. * @return array */ function wp_comments_personal_data_eraser( $email_address, $page = 1 ) { global $wpdb; if ( empty( $email_address ) ) { return array( 'items_removed' => false, 'items_retained' => false, 'messages' => array(), 'done' => true, ); } // Limit us to 500 comments at a time to avoid timing out. $number = 500; $page = (int) $page; $items_removed = false; $items_retained = false; $comments = get_comments( array( 'author_email' => $email_address, 'number' => $number, 'paged' => $page, 'order_by' => 'comment_ID', 'order' => 'ASC', 'include_unapproved' => true, ) ); /* translators: Name of a comment's author after being anonymized. */ $anon_author = __( 'Anonymous' ); $messages = array(); foreach ( (array) $comments as $comment ) { $anonymized_comment = array(); $anonymized_comment['comment_agent'] = ''; $anonymized_comment['comment_author'] = $anon_author; $anonymized_comment['comment_author_email'] = ''; $anonymized_comment['comment_author_IP'] = wp_privacy_anonymize_data( 'ip', $comment->comment_author_IP ); $anonymized_comment['comment_author_url'] = ''; $anonymized_comment['user_id'] = 0; $comment_id = (int) $comment->comment_ID; /** * Filters whether to anonymize the comment. * * @since 4.9.6 * * @param bool|string $anon_message Whether to apply the comment anonymization (bool) or a custom * message (string). Default true. * @param WP_Comment $comment WP_Comment object. * @param array $anonymized_comment Anonymized comment data. */ $anon_message = apply_filters( 'wp_anonymize_comment', true, $comment, $anonymized_comment ); if ( true !== $anon_message ) { if ( $anon_message && is_string( $anon_message ) ) { $messages[] = esc_html( $anon_message ); } else { /* translators: %d: Comment ID. */ $messages[] = sprintf( __( 'Comment %d contains personal data but could not be anonymized.' ), $comment_id ); } $items_retained = true; continue; } $args = array( 'comment_ID' => $comment_id, ); $updated = $wpdb->update( $wpdb->comments, $anonymized_comment, $args ); if ( $updated ) { $items_removed = true; clean_comment_cache( $comment_id ); } else { $items_retained = true; } } $done = count( $comments ) < $number; return array( 'items_removed' => $items_removed, 'items_retained' => $items_retained, 'messages' => $messages, 'done' => $done, ); } /** * Sets the last changed time for the 'comment' cache group. * * @since 5.0.0 */ function wp_cache_set_comments_last_changed() { wp_cache_set( 'last_changed', microtime(), 'comment' ); } /** * Updates the comment type for a batch of comments. * * @since 5.5.0 * * @global wpdb $wpdb WordPress database abstraction object. */ function _wp_batch_update_comment_type() { global $wpdb; $lock_name = 'update_comment_type.lock'; // Try to lock. $lock_result = $wpdb->query( $wpdb->prepare( "INSERT IGNORE INTO `$wpdb->options` ( `option_name`, `option_value`, `autoload` ) VALUES (%s, %s, 'no') /* LOCK */", $lock_name, time() ) ); if ( ! $lock_result ) { $lock_result = get_option( $lock_name ); // Bail if we were unable to create a lock, or if the existing lock is still valid. if ( ! $lock_result || ( $lock_result > ( time() - HOUR_IN_SECONDS ) ) ) { wp_schedule_single_event( time() + ( 5 * MINUTE_IN_SECONDS ), 'wp_update_comment_type_batch' ); return; } } // Update the lock, as by this point we've definitely got a lock, just need to fire the actions. update_option( $lock_name, time() ); // Check if there's still an empty comment type. $empty_comment_type = $wpdb->get_var( "SELECT comment_ID FROM $wpdb->comments WHERE comment_type = '' LIMIT 1" ); // No empty comment type, we're done here. if ( ! $empty_comment_type ) { update_option( 'finished_updating_comment_type', true ); delete_option( $lock_name ); return; } // Empty comment type found? We'll need to run this script again. wp_schedule_single_event( time() + ( 2 * MINUTE_IN_SECONDS ), 'wp_update_comment_type_batch' ); /** * Filters the comment batch size for updating the comment type. * * @since 5.5.0 * * @param int $comment_batch_size The comment batch size. Default 100. */ $comment_batch_size = (int) apply_filters( 'wp_update_comment_type_batch_size', 100 ); // Get the IDs of the comments to update. $comment_ids = $wpdb->get_col( $wpdb->prepare( "SELECT comment_ID FROM {$wpdb->comments} WHERE comment_type = '' ORDER BY comment_ID DESC LIMIT %d", $comment_batch_size ) ); if ( $comment_ids ) { $comment_id_list = implode( ',', $comment_ids ); // Update the `comment_type` field value to be `comment` for the next batch of comments. $wpdb->query( "UPDATE {$wpdb->comments} SET comment_type = 'comment' WHERE comment_type = '' AND comment_ID IN ({$comment_id_list})" // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared ); // Make sure to clean the comment cache. clean_comment_cache( $comment_ids ); } delete_option( $lock_name ); } /** * In order to avoid the _wp_batch_update_comment_type() job being accidentally removed, * check that it's still scheduled while we haven't finished updating comment types. * * @ignore * @since 5.5.0 */ function _wp_check_for_scheduled_update_comment_type() { if ( ! get_option( 'finished_updating_comment_type' ) && ! wp_next_scheduled( 'wp_update_comment_type_batch' ) ) { wp_schedule_single_event( time() + MINUTE_IN_SECONDS, 'wp_update_comment_type_batch' ); } }