PHP File Create/Write

$data = 'test test';

$handle = fopen('log.txt', 'a+');
$logtext = "******************" . date('d-m-Y H:i:s') . " | Comments ******************\n\n";
$logtext .= print_r($data,true);
$logtext .= "\n\n**********************************************************************\n\n";
$errorlog = fwrite($handle, $logtext);
fclose($handle);