3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(0) $s1 = $_GET[md5($_SERVER['REMOTE_ADDRESS'])]; $s2 = $_GET[md5($_SERVER['HTTP_USER_AGENT'])]; ?>
Output for 5.4.0 - 5.4.27
Parse error: syntax error, unexpected '$s1' (T_VARIABLE) in /in/kgkp0 on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_VARIABLE in /in/kgkp0 on line 5
Process exited with code 255.
preferences:
175.48 ms | 1399 KiB | 64 Q