WP_REST_Post_Format_Search_Handler::search_items() WordPress Method

	public function search_items( WP_REST_Request $request ) {
		$format_strings = get_post_format_strings();
		$format_slugs   = array_keys( $format_strings );

		$query_args = array();

		if ( ! empty( $request['search'] ) ) {
			$query_args['search'] = $request['search'];
		}

		/**
		 * Filters the query arguments for a REST API search request.
		 *
		 * Enables adding extra arguments or setting defaults for a post format search request.
		 *
		 * @since 5.6.0
		 *
		 * @param array           $query_args Key value array of query var to query value.
		 * @param WP_REST_Request $request    The request used.
		 */
		$query_args = apply_filters( 'rest_post_format_search_query', $query_args, $request );

		$found_ids = array();
		foreach ( $format_slugs as $index => $format_slug ) {
			if ( ! empty( $query_args['search'] ) ) {
				$format_string       = get_post_format_string( $format_slug );
				$format_slug_match   = stripos( $format_slug, $query_args['search'] ) !== false;
				$format_string_match = stripos( $format_string, $query_args['search'] ) !== false;
				if ( ! $format_slug_match && ! $format_string_match ) {
					continue;
				}
			}

			$format_link = get_post_format_link( $format_slug );
			if ( $format_link ) {
				$found_ids[] = $format_slug;
			}
		}

		$page     = (int) $request['page'];
		$per_page = (int) $request['per_page'];

		return array(
			self::RESULT_IDS   => array_slice( $found_ids, ( $page - 1 ) * $per_page, $per_page ),
			self::RESULT_TOTAL => count( $found_ids ),
		);
	}