public function modified()
    {
        $path = $this->get('filepath');

        if (!file_exists($path)) {
            return null;
        }

        return filemtime($path) ?: null;
    }
public function modified()
    {
        $path = $this->get('filepath');

        if (!file_exists($path)) {
            return null;
        }

        return filemtime($path) ?: null;
    }
public function modified ( ) { $ path = $ this -> get ( 'filepath' ) ; if ( ! file_exists ( $ path ) ) { return null ; } return filemtime ( $ path ) ? : null ; }
Get file modification time for the medium.

@return int|null
Get file modification time for the medium .