write file for testing variable in a php file.

php file for debug

$file=fopen("/path/to/the/file/test.txt", 'w+',true);
  		$content='';
  		foreach ($aray as $value){
  			$content.="id: ".$value."\n";
  		}
  		fwrite($file,$content);
  		fclose($file);
  	}