Mine

     if ($fp) {
     	$fw = fputs ($fp, $this->page[$wt]);
     	if ($fw >= 20480) {
     		$i =5;
     	}
     	elseif ($fw == 215) {
     		die('ERROR: This IMDB number is no longer valid, please update.');
     	}
     	elseif ($i=4) {
     		die('ERROR: The number of attempts to write cache properly has been exhausted.');
     	}
     	else {
     		unlink($fp);
     		$i++;
     	}
     }