var
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wp-includes
| uid:33
class-wp-block-supports.php
[X]
<?php /** * Block support flags. * * @package WordPress * * @since 5.6.0 */ /** * Class encapsulating and implementing Block Supports. * * @since 5.6.0 * * @access private */ #[AllowDynamicProperties] class WP_Block_Supports { /** * Config. * * @since 5.6.0 * @var array */ private $block_supports = array(); /** * Tracks the current block to be rendered. * * @since 5.6.0 * @var array */ public static $block_to_render = null; /** * Container for the main instance of the class. * * @since 5.6.0 * @var WP_Block_Supports|null */ private static $instance = null; /** * Utility method to retrieve the main instance of the class. * * The instance will be created if it does not exist yet. * * @since 5.6.0 * * @return WP_Block_Supports The main instance. */ public static function get_instance() { if ( null === self::$instance ) { self::$instance = new self(); } return self::$instance; } /** * Initializes the block supports. It registers the block supports block attributes. * * @since 5.6.0 */ public static function init() { $instance = self::get_instance(); $instance->register_attributes(); } /** * Registers a block support. * * @since 5.6.0 * * @link https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/ * * @param string $block_support_name Block support name. * @param array $block_support_config Array containing the properties of the block support. */ public function register( $block_support_name, $block_support_config ) { $this->block_supports[ $block_support_name ] = array_merge( $block_support_config, array( 'name' => $block_support_name ) ); } /** * Generates an array of HTML attributes, such as classes, by applying to * the given block all of the features that the block supports. * * @since 5.6.0 * * @return string[] Array of HTML attribute values keyed by their name. */ public function apply_block_supports() { $block_type = WP_Block_Type_Registry::get_instance()->get_registered( self::$block_to_render['blockName'] ); // If no render_callback, assume styles have been previously handled. if ( ! $block_type || empty( $block_type ) ) { return array(); } $block_attributes = array_key_exists( 'attrs', self::$block_to_render ) && is_array( self::$block_to_render['attrs'] ) ? $block_type->prepare_attributes_for_render( self::$block_to_render['attrs'] ) : array(); $output = array(); foreach ( $this->block_supports as $block_support_config ) { if ( ! isset( $block_support_config['apply'] ) ) { continue; } $new_attributes = call_user_func( $block_support_config['apply'], $block_type, $block_attributes ); if ( ! empty( $new_attributes ) ) { foreach ( $new_attributes as $attribute_name => $attribute_value ) { if ( empty( $output[ $attribute_name ] ) ) { $output[ $attribute_name ] = $attribute_value; } else { $output[ $attribute_name ] .= " $attribute_value"; } } } } return $output; } /** * Registers the block attributes required by the different block supports. * * @since 5.6.0 */ private function register_attributes() { $block_registry = WP_Block_Type_Registry::get_instance(); $registered_block_types = $block_registry->get_all_registered(); foreach ( $registered_block_types as $block_type ) { if ( ! ( $block_type instanceof WP_Block_Type ) ) { continue; } if ( ! $block_type->attributes ) { $block_type->attributes = array(); } foreach ( $this->block_supports as $block_support_config ) { if ( ! isset( $block_support_config['register_attribute'] ) ) { continue; } call_user_func( $block_support_config['register_attribute'], $block_type ); } } } } /** * Generates a string of attributes by applying to the current block being * rendered all of the features that the block supports. * * @since 5.6.0 * * @param string[] $extra_attributes Optional. Array of extra attributes to render on the block wrapper. * @return string String of HTML attributes. */ function get_block_wrapper_attributes( $extra_attributes = array() ) { $new_attributes = WP_Block_Supports::get_instance()->apply_block_supports(); if ( empty( $new_attributes ) && empty( $extra_attributes ) ) { return ''; } // Attribute values are concatenated or overridden depending on the attribute type. // This is hardcoded on purpose, as we only support a fixed list of attributes. $attribute_merge_callbacks = array( 'style' => static function ( $new_attribute, $extra_attribute ) { $styles = array_filter( array( rtrim( trim( $new_attribute ), ';' ), rtrim( trim( $extra_attribute ), ';' ), ) ); return safecss_filter_attr( implode( ';', array_filter( $styles ) ) ); }, 'class' => static function ( $new_attribute, $extra_attribute ) { $classes = array_merge( (array) preg_split( '/\s+/', $extra_attribute, -1, PREG_SPLIT_NO_EMPTY ), (array) preg_split( '/\s+/', $new_attribute, -1, PREG_SPLIT_NO_EMPTY ) ); $classes = array_unique( array_filter( $classes ) ); return implode( ' ', $classes ); }, 'id' => static function ( $new_attribute, $extra_attribute ) { return '' !== $extra_attribute ? $extra_attribute : $new_attribute; }, 'aria-label' => static function ( $new_attribute, $extra_attribute ) { return '' !== $extra_attribute ? $extra_attribute : $new_attribute; }, ); $attributes = array(); foreach ( $attribute_merge_callbacks as $attribute_name => $merge_callback ) { $new_attribute = $new_attributes[ $attribute_name ] ?? ''; $extra_attribute = $extra_attributes[ $attribute_name ] ?? ''; $new_attribute = is_string( $new_attribute ) ? $new_attribute : ''; $extra_attribute = is_string( $extra_attribute ) ? $extra_attribute : ''; if ( '' === $new_attribute && '' === $extra_attribute ) { continue; } $attributes[ $attribute_name ] = $merge_callback( $new_attribute, $extra_attribute ); } foreach ( $extra_attributes as $attribute_name => $value ) { if ( ! isset( $attribute_merge_callbacks[ $attribute_name ] ) ) { $attributes[ $attribute_name ] = $value; } } if ( empty( $attributes ) ) { return ''; } $normalized_attributes = array(); foreach ( $attributes as $key => $value ) { $normalized_attributes[] = $key . '="' . esc_attr( $value ) . '"'; } return implode( ' ', $normalized_attributes ); }
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locale.php
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media-template.php
61.8K
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media.php
219.7K
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meta.php
65.2K
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ms-blogs.php
25.7K
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ms-default-constants.php
4.8K
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ms-default-filters.php
6.5K
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ms-deprecated.php
21.2K
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ms-files.php
2.8K
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ms-functions.php
89.7K
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ms-load.php
19.6K
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ms-network.php
3.7K
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ms-site.php
40.8K
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nav-menu.php
43.2K
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option.php
102.6K
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pluggable-deprecated.php
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pluggable.php
124.6K
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plugin.php
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post-formats.php
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post-template.php
67K
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post-thumbnail-template.php
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post.php
289.6K
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query.php
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registration-functions.php
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registration.php
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rest-api.php
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revision.php
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rewrite.php
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robots-template.php
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rss-functions.php
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rss.php
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script-loader.php
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script-modules.php
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session.php
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shortcodes.php
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sitemaps.php
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speculative-loading.php
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spl-autoload-compat.php
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style-engine.php
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taxonomy.php
173K
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template-canvas.php
544
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template-loader.php
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template.php
36K
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theme-i18n.json
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theme-previews.php
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theme-templates.php
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theme.json
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theme.php
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update.php
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user.php
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utf8.php
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vars.php
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version.php
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view-transitions.php
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widgets.php
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wp-diff.php
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