3v4l.org

run code in 300+ PHP versions simultaneously
<?php error = "lol"; if(isset($error['error']) { echo "true"; }
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.21
Parse error: syntax error, unexpected '=' in /in/JA9f4 on line 2
Process exited with code 255.
preferences:
196.53 ms | 1395 KiB | 57 Q