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fc229aa436
Prior to this changeset, `get_hooked_blocks` was called four times ''for every parsed block'' in each template, template part, and pattern. With this changeset applied, `get_hooked_blocks` is called only once per template, template part, or pattern. Additionally, `get_hooked_blocks` is called only once when returning the list of all registered patterns. (The latter modification brings the implementation closer to its state prior to Block Hooks.) Finally, when there are no registered hooked blocks or `hooked_block_types` filters, parsing, hooked block insertion, and re-serializing is skipped altogether. Props gziolo, flixos90, joemcgill, dmsnell, spacedmonkey, hellofromtonya. Fixes #59383. Built from https://develop.svn.wordpress.org/trunk@56805 git-svn-id: http://core.svn.wordpress.org/trunk@56317 1a063a9b-81f0-0310-95a4-ce76da25c4cd
273 lines
9.4 KiB
PHP
273 lines
9.4 KiB
PHP
<?php
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/**
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* Blocks API: WP_Block_Patterns_Registry class
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*
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* @package WordPress
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* @subpackage Blocks
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* @since 5.5.0
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*/
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/**
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* Class used for interacting with block patterns.
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*
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* @since 5.5.0
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*/
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#[AllowDynamicProperties]
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final class WP_Block_Patterns_Registry {
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/**
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* Registered block patterns array.
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*
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* @since 5.5.0
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* @var array[]
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*/
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private $registered_patterns = array();
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/**
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* Patterns registered outside the `init` action.
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*
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* @since 6.0.0
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* @var array[]
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*/
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private $registered_patterns_outside_init = array();
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/**
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* Container for the main instance of the class.
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*
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* @since 5.5.0
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* @var WP_Block_Patterns_Registry|null
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*/
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private static $instance = null;
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/**
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* Registers a block pattern.
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*
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* @since 5.5.0
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* @since 5.8.0 Added support for the `blockTypes` property.
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* @since 6.1.0 Added support for the `postTypes` property.
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* @since 6.2.0 Added support for the `templateTypes` property.
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*
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* @param string $pattern_name Block pattern name including namespace.
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* @param array $pattern_properties {
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* List of properties for the block pattern.
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*
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* @type string $title Required. A human-readable title for the pattern.
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* @type string $content Required. Block HTML markup for the pattern.
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* @type string $description Optional. Visually hidden text used to describe the pattern
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* in the inserter. A description is optional, but is strongly
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* encouraged when the title does not fully describe what the
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* pattern does. The description will help users discover the
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* pattern while searching.
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* @type int $viewportWidth Optional. The intended width of the pattern to allow for a scaled
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* preview within the pattern inserter.
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* @type bool $inserter Optional. Determines whether the pattern is visible in inserter.
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* To hide a pattern so that it can only be inserted programmatically,
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* set this to false. Default true.
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* @type string[] $categories Optional. A list of registered pattern categories used to group
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* block patterns. Block patterns can be shown on multiple categories.
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* A category must be registered separately in order to be used here.
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* @type string[] $keywords Optional. A list of aliases or keywords that help users discover
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* the pattern while searching.
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* @type string[] $blockTypes Optional. A list of block names including namespace that could use
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* the block pattern in certain contexts (placeholder, transforms).
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* The block pattern is available in the block editor inserter
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* regardless of this list of block names.
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* Certain blocks support further specificity besides the block name
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* (e.g. for `core/template-part` you can specify areas
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* like `core/template-part/header` or `core/template-part/footer`).
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* @type string[] $postTypes Optional. An array of post types that the pattern is restricted
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* to be used with. The pattern will only be available when editing one
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* of the post types passed on the array. For all the other post types
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* not part of the array the pattern is not available at all.
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* @type string[] $templateTypes Optional. An array of template types where the pattern fits.
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* }
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* @return bool True if the pattern was registered with success and false otherwise.
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*/
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public function register( $pattern_name, $pattern_properties ) {
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if ( ! isset( $pattern_name ) || ! is_string( $pattern_name ) ) {
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_doing_it_wrong(
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__METHOD__,
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__( 'Pattern name must be a string.' ),
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'5.5.0'
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);
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return false;
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}
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if ( ! isset( $pattern_properties['title'] ) || ! is_string( $pattern_properties['title'] ) ) {
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_doing_it_wrong(
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__METHOD__,
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__( 'Pattern title must be a string.' ),
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'5.5.0'
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);
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return false;
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}
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if ( ! isset( $pattern_properties['content'] ) || ! is_string( $pattern_properties['content'] ) ) {
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_doing_it_wrong(
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__METHOD__,
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__( 'Pattern content must be a string.' ),
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'5.5.0'
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);
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return false;
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}
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$pattern = array_merge(
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$pattern_properties,
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array( 'name' => $pattern_name )
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);
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$this->registered_patterns[ $pattern_name ] = $pattern;
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// If the pattern is registered inside an action other than `init`, store it
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// also to a dedicated array. Used to detect deprecated registrations inside
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// `admin_init` or `current_screen`.
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if ( current_action() && 'init' !== current_action() ) {
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$this->registered_patterns_outside_init[ $pattern_name ] = $pattern;
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}
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return true;
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}
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/**
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* Unregisters a block pattern.
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*
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* @since 5.5.0
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*
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* @param string $pattern_name Block pattern name including namespace.
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* @return bool True if the pattern was unregistered with success and false otherwise.
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*/
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public function unregister( $pattern_name ) {
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if ( ! $this->is_registered( $pattern_name ) ) {
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_doing_it_wrong(
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__METHOD__,
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/* translators: %s: Pattern name. */
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sprintf( __( 'Pattern "%s" not found.' ), $pattern_name ),
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'5.5.0'
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);
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return false;
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}
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unset( $this->registered_patterns[ $pattern_name ] );
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unset( $this->registered_patterns_outside_init[ $pattern_name ] );
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return true;
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}
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/**
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* Prepares the content of a block pattern. If hooked blocks are registered, they get injected into the pattern,
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* when they met the defined criteria.
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*
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* @since 6.4.0
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*
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* @param array $pattern Registered pattern properties.
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* @param array $hooked_blocks The list of hooked blocks.
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* @return string The content of the block pattern.
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*/
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private function prepare_content( $pattern, $hooked_blocks ) {
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$content = $pattern['content'];
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if ( ! empty( $hooked_blocks ) || has_filter( 'hooked_block_types' ) ) {
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$blocks = parse_blocks( $content );
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$before_block_visitor = make_before_block_visitor( $hooked_blocks, $pattern );
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$after_block_visitor = make_after_block_visitor( $hooked_blocks, $pattern );
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$content = traverse_and_serialize_blocks( $blocks, $before_block_visitor, $after_block_visitor );
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}
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return $content;
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}
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/**
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* Retrieves an array containing the properties of a registered block pattern.
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*
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* @since 5.5.0
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*
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* @param string $pattern_name Block pattern name including namespace.
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* @return array Registered pattern properties.
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*/
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public function get_registered( $pattern_name ) {
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if ( ! $this->is_registered( $pattern_name ) ) {
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return null;
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}
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$pattern = $this->registered_patterns[ $pattern_name ];
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$pattern['content'] = $this->prepare_content( $pattern, get_hooked_blocks() );
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return $pattern;
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}
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/**
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* Retrieves all registered block patterns.
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*
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* @since 5.5.0
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*
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* @param bool $outside_init_only Return only patterns registered outside the `init` action.
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* @return array[] Array of arrays containing the registered block patterns properties,
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* and per style.
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*/
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public function get_all_registered( $outside_init_only = false ) {
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$patterns = array_values(
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$outside_init_only
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? $this->registered_patterns_outside_init
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: $this->registered_patterns
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);
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$hooked_blocks = get_hooked_blocks();
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foreach ( $patterns as $index => $pattern ) {
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$patterns[ $index ]['content'] = $this->prepare_content( $pattern, $hooked_blocks );
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}
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return $patterns;
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}
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/**
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* Checks if a block pattern is registered.
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*
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* @since 5.5.0
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*
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* @param string $pattern_name Block pattern name including namespace.
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* @return bool True if the pattern is registered, false otherwise.
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*/
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public function is_registered( $pattern_name ) {
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return isset( $this->registered_patterns[ $pattern_name ] );
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}
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/**
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* Utility method to retrieve the main instance of the class.
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*
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* The instance will be created if it does not exist yet.
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*
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* @since 5.5.0
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*
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* @return WP_Block_Patterns_Registry The main instance.
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*/
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public static function get_instance() {
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if ( null === self::$instance ) {
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self::$instance = new self();
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}
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return self::$instance;
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}
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}
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/**
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* Registers a new block pattern.
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*
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* @since 5.5.0
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*
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* @param string $pattern_name Block pattern name including namespace.
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* @param array $pattern_properties List of properties for the block pattern.
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* See WP_Block_Patterns_Registry::register() for accepted arguments.
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* @return bool True if the pattern was registered with success and false otherwise.
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*/
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function register_block_pattern( $pattern_name, $pattern_properties ) {
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return WP_Block_Patterns_Registry::get_instance()->register( $pattern_name, $pattern_properties );
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}
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/**
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* Unregisters a block pattern.
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*
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* @since 5.5.0
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*
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* @param string $pattern_name Block pattern name including namespace.
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* @return bool True if the pattern was unregistered with success and false otherwise.
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*/
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function unregister_block_pattern( $pattern_name ) {
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return WP_Block_Patterns_Registry::get_instance()->unregister( $pattern_name );
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}
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