protected function fileExists()
    {
        $this->clearStatCache(true);
        return (file_exists($this->file_path) && is_file($this->file_path));
    }
protected function fileExists()
    {
        $this->clearStatCache(true);
        return (file_exists($this->file_path) && is_file($this->file_path));
    }
protected function fileExists ( ) { $ this -> clearStatCache ( true ) ; return ( file_exists ( $ this -> file_path ) && is_file ( $ this -> file_path ) ) ; }
Checks whether file exists
@return bool
Checks whether file exists