registered; $style_deps = array_merge( $deps['styles'] ?? [], array_filter( $deps['scripts'], function( $id ) use ( $registered_styles ) { return array_key_exists( $id, $registered_styles ); } ) ); wp_register_style( $handle, ABT_ROOT_URI . $style_suffix, $style_deps, filemtime( ABT_ROOT_PATH . $style_suffix ) ); } }