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<?php
/**
* A registry for storing all meta boxes.
*
* @link https://designpatternsphp.readthedocs.io/en/latest/Structural/Registry/README.html
* @package Meta Box
*/
/**
* Meta box registry class.
*/
class RWMB_Meta_Box_Registry {
/**
* Internal data storage.
*
* @var array
*/
private $data = array();
/**
* Create a meta box object.
*
* @param array $settings Meta box settings.
* @return \RW_Meta_Box
*/
public function make( $settings ) {
$class_name = apply_filters( 'rwmb_meta_box_class_name', 'RW_Meta_Box', $settings );
$meta_box = new $class_name( $settings );
$this->add( $meta_box );
return $meta_box;
}
/**
* Add a meta box to the registry.
*
* @param RW_Meta_Box $meta_box Meta box instance.
*/
public function add( RW_Meta_Box $meta_box ) {
$this->data[ $meta_box->id ] = $meta_box;
}
/**
* Retrieve a meta box by id.
*
* @param string $id Meta box id.
*
* @return RW_Meta_Box|bool False or meta box object.
*/
public function get( $id ) {
return isset( $this->data[ $id ] ) ? $this->data[ $id ] : false;
}
/**
* Get meta boxes under some conditions.
*
* @param array $args Custom argument to get meta boxes by.
*
* @return array
*/
public function get_by( $args ) {
$meta_boxes = $this->data;
foreach ( $meta_boxes as $index => $meta_box ) {
foreach ( $args as $key => $value ) {
$meta_box_key = 'object_type' === $key ? $meta_box->get_object_type() : $meta_box->$key;
if ( $meta_box_key !== $value ) {
unset( $meta_boxes[ $index ] );
continue 2; // Skip the meta box loop.
}
}
}
return $meta_boxes;
}
/**
* Retrieve all meta boxes.
*
* @return array
*/
public function all() {
return $this->data;
}
}
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