WPEX Tetris REST Meta Integration

if(!function_exists('wpex_register_universal_media_meta')){

    function wpex_register_universal_media_meta(){

        $media_meta_fields=array(

            'universal_local_image_attachment_ids',

            'universal_local_audio_attachment_ids',

            'universal_local_video_attachment_ids',

        );

        $post_types=get_post_types(array('public'=>true));

        foreach($post_types as $post_type){

            if(post_type_supports($post_type,'post-formats')){

                foreach($media_meta_fields as $meta_key){

                    if(!registered_meta_key_exists('post',$meta_key,$post_type)){

                        register_post_meta($post_type,$meta_key,array(

                            'type'=>'array',

                            'single'=>true,

                            'default'=>array(),

                            'show_in_rest'=>array(

                                'schema'=>array(

                                    'type'=>'array',

                                    'items'=>array('type'=>'integer'),

                                ),

                            ),

                            'sanitize_callback'=>function($value){

                                return is_array($value)?array_map('absint',$value):array();

                            },

                            'auth_callback'=>function($allowed,$meta_key,$post_id,$user_id,$cap,$caps){

                                return current_user_can('edit_post',$post_id);

                            },

                        ));

                    }

                }

            }

        }

    }

    add_action('rest_api_init','wpex_register_universal_media_meta');

}