233 lines
7.3 KiB
PHP
233 lines
7.3 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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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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*
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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 in the
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* 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 array $categories Optional. A list of registered pattern categories used to group block
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* patterns. Block patterns can be shown on multiple categories.
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* A category must be registered separately in order to be used
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* here.
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* @type array $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 array $keywords Optional. A list of aliases or keywords that help users discover the
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* pattern while searching.
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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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* 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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return $this->registered_patterns[ $pattern_name ];
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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( $outside_init_only = false ) {
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return array_values(
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$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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}
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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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