public function touch( $time = NULL ) : bool
    {
        if ( $time === NULL ){
            return touch( $this->path );
        }
        return touch( $this->path, $time );
    }
public function touch( $time = NULL ) : bool
    {
        if ( $time === NULL ){
            return touch( $this->path );
        }
        return touch( $this->path, $time );
    }
public function touch ( $ time = NULL ) : bool { if ( $ time === NULL ) { return touch ( $ this -> path ) ; } return touch ( $ this -> path , $ time ) ; }
Update last modified date of the file

@param int|Integer $time      time value to set

@return bool
Update last modified date of the file