/**
* Constructor
*
* @param string $filename
* @param string $mode
* @param bool $useIncludePath
* @param null|resource $context
*/
public function __construct($filename, $mode = "r", $useIncludePath = false, $context = null)
{
$this->filename = $filename;
$args = func_get_args();
count($args) < 2 ? $args[] = $mode : '';
$this->resource = call_user_func_array('fopen', $args);
parent::__construct($filename);
}