<?php
/**
* Blocks API: WP_Block_Patterns_Registry class
*
* @package WordPress
* @subpackage Blocks
* @since 5.5.0
*/
/**
* Class used for interacting with block patterns.
*
* @since 5.5.0
*/
final class WP_Block_Patterns_Registry {
/**
* Registered block patterns array.
*
* @since 5.5.0
* @var array
*/
private $registered_patterns = array();
/**
* Container for the main instance of the class.
*
* @since 5.5.0
* @var WP_Block_Patterns_Registry|null
*/
private static $instance = null;
/**
* Registers a block pattern.
*
* @since 5.5.0
*
* @param string $pattern_name Block pattern name including namespace.
* @param array $pattern_properties {
* List of properties for the block pattern.
*
* @type string $title Required. A human-readable title for the pattern.
* @type string $content Required. Block HTML markup for the pattern.
* @type string $description Optional. Visually hidden text used to describe the pattern in the
* inserter. A description is optional, but is strongly
* encouraged when the title does not fully describe what the
* pattern does. The description will help users discover the
* pattern while searching.
* @type int $viewportWidth Optional. The intended width of the pattern to allow for a scaled
* preview within the pattern inserter.
* @type array $categories Optional. A list of registered pattern categories used to group block
* patterns. Block patterns can be shown on multiple categories.
* A category must be registered separately in order to be used
* here.
* @type array $keywords Optional. A list of aliases or keywords that help users discover the
* pattern while searching.
* }
* @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__,
__( 'Pattern name must be a string.' ),
'5.5.0'
);
return false;
}
if ( ! isset( $pattern_properties['title'] ) || ! is_string( $pattern_properties['title'] ) ) {
_doing_it_wrong(
__METHOD__,
__( 'Pattern title must be a string.' ),
'5.5.0'
);
return false;
}
if ( ! isset( $pattern_properties['content'] ) || ! is_string( $pattern_properties['content'] ) ) {
_doing_it_wrong(
__METHOD__,
__( 'Pattern content 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 block pattern.
*
* @since 5.5.0
*
* @param string $pattern_name Block 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 ) ) {
_doing_it_wrong(
__METHOD__,
/* translators: %s: Pattern name. */
sprintf( __( 'Pattern "%s" not found.' ), $pattern_name ),
'5.5.0'
);
return false;
}
unset( $this->registered_patterns[ $pattern_name ] );
return true;
}
/**
* Retrieves an array containing the properties of a registered block pattern.
*
* @since 5.5.0
*
* @param string $pattern_name Block 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 block patterns.
*
* @since 5.5.0
*
* @return array Array of arrays containing the registered block patterns properties,
* and per style.
*/
public function get_all_registered() {
return array_values( $this->registered_patterns );
}
/**
* Checks if a block pattern is registered.
*
* @since 5.5.0
*
* @param string $pattern_name Block 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 block pattern.
*
* @since 5.5.0
*
* @param string $pattern_name Block pattern name including namespace.
* @param array $pattern_properties List of properties for the block pattern.
* See WP_Block_Patterns_Registry::register() for accepted arguments.
* @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 block pattern.
*
* @since 5.5.0
*
* @param string $pattern_name Block 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 );
}
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