WordPress/wp-includes/class-wp-block-patterns-registry.php

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<?php
/**
* Blocks API: WP_Block_Patterns_Registry class
*
* @package WordPress
* @subpackage Blocks
* @since 5.5.0
*/
/**
* Class used for interacting with patterns.
*
* @since 5.5.0
*/
final class WP_Block_Patterns_Registry {
/**
* Registered patterns array.
*
* @var array
*/
private $registered_patterns = array();
/**
* Container for the main instance of the class.
*
* @var WP_Block_Patterns_Registry|null
*/
private static $instance = null;
/**
* Registers a pattern.
*
* @since 5.5.0
*
* @param string $pattern_name Pattern name including namespace.
* @param array $pattern_properties Array containing the properties of the pattern: label, content.
* @return bool True if the pattern was registered with success and false otherwise.
*/
public function register( $pattern_name, $pattern_properties ) {
if ( ! isset( $pattern_name ) || ! is_string( $pattern_name ) ) {
_doing_it_wrong( __METHOD__, s__( 'Pattern name must be a string.' ), '5.5.0' );
return false;
}
$this->registered_patterns[ $pattern_name ] = array_merge(
$pattern_properties,
array( 'name' => $pattern_name )
);
return true;
}
/**
* Unregisters a pattern.
*
* @since 5.5.0
*
* @param string $pattern_name Pattern name including namespace.
* @return bool True if the pattern was unregistered with success and false otherwise.
*/
public function unregister( $pattern_name ) {
if ( ! $this->is_registered( $pattern_name ) ) {
/* translators: 1: Pattern name. */
$message = sprintf( __( 'Pattern "%1$s" not found.' ), $pattern_name );
_doing_it_wrong( __METHOD__, $message, '5.5.0' );
return false;
}
unset( $this->registered_patterns[ $pattern_name ] );
return true;
}
/**
* Retrieves an array containing the properties of a registered pattern.
*
* @since 5.5.0
*
* @param string $pattern_name Pattern name including namespace.
* @return array Registered pattern properties.
*/
public function get_registered( $pattern_name ) {
if ( ! $this->is_registered( $pattern_name ) ) {
return null;
}
return $this->registered_patterns[ $pattern_name ];
}
/**
* Retrieves all registered patterns.
*
* @since 5.5.0
*
* @return array Array of arrays containing the registered patterns properties,
* and per style.
*/
public function get_all_registered() {
return array_values( $this->registered_patterns );
}
/**
* Checks if a pattern is registered.
*
* @since 5.5.0
*
* @param string $pattern_name Pattern name including namespace.
* @return bool True if the pattern is registered, false otherwise.
*/
public function is_registered( $pattern_name ) {
return isset( $this->registered_patterns[ $pattern_name ] );
}
/**
* Utility method to retrieve the main instance of the class.
*
* The instance will be created if it does not exist yet.
*
* @since 5.5.0
*
* @return WP_Block_Patterns_Registry The main instance.
*/
public static function get_instance() {
if ( null === self::$instance ) {
self::$instance = new self();
}
return self::$instance;
}
}
/**
* Registers a new pattern.
*
* @since 5.5.0
*
* @param string $pattern_name Pattern name including namespace.
* @param array $pattern_properties Array containing the properties of the pattern.
* @return bool True if the pattern was registered with success and false otherwise.
*/
function register_block_pattern( $pattern_name, $pattern_properties ) {
return WP_Block_Patterns_Registry::get_instance()->register( $pattern_name, $pattern_properties );
}
/**
* Unregisters a pattern.
*
* @since 5.5.0
*
* @param string $pattern_name Pattern name including namespace.
* @return bool True if the pattern was unregistered with success and false otherwise.
*/
function unregister_block_pattern( $pattern_name ) {
return WP_Block_Patterns_Registry::get_instance()->unregister( $pattern_name );
}