3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(http_build_query(['job'=>['foo','bar']));
Output for 5.4.0 - 5.4.29
Parse error: syntax error, unexpected ')', expecting ']' in /in/VAQZD on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected '[', expecting ')' in /in/VAQZD on line 2
Process exited with code 255.
preferences:
169.37 ms | 1394 KiB | 66 Q