3v4l.org

run code in 300+ PHP versions simultaneously
<?php function g($str = null){ echo "g"; return function ($test = null){ echo "o"; } } var_dump(g()());
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.31
Parse error: syntax error, unexpected '}' in /in/t9QKa on line 8
Process exited with code 255.
preferences:
186.38 ms | 1395 KiB | 68 Q