3v4l.org

run code in 300+ PHP versions simultaneously
<?php $klantnummer = isset($_GET['klantummer']) ? $_GET['klantnummer']: ; echo $klantnummer; ?>
Output for 5.3.0 - 5.3.19, 5.4.0 - 5.4.9
Parse error: syntax error, unexpected ';' in 1slPl on line 3
Process exited with code 255.
preferences:
170.64 ms | 1395 KiB | 37 Q