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

		preg_match( '/<title>([^"\']+?)<\/title>/si', $content, $reg );
		if ( ! empty( $reg[1] ) ) {
			return $reg[1];
		}
	}