protected function _get_description( $content ) {
		preg_match( '/<meta +?property=["\']og:description["\'][^\/>]*? content=["\']([^"\']+?)["\'].*?\/?>/si', $content, $reg );
		if ( ! empty( $reg[1] ) ) {
			return $reg[1];
		}

		preg_match( '/<meta +?name=["\']description["\'][^\/>]*? content=["\']([^"\']+?)["\'].*?\/?>/si', $content, $reg );
		if ( ! empty( $reg[1] ) ) {
			return $reg[1];
		}
	}