3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = 10; $bar = 5; ($foo, $bar) = ($bar, $foo); var_dump($foo,$bar);
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.25
Parse error: syntax error, unexpected ',' in /in/r9b4f on line 6
Process exited with code 255.
preferences:
171.88 ms | 1395 KiB | 62 Q