3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = range(1,10); foreach($a as $key = $value) { echo $k."\n"; echo $value."\n\n"; }
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.21
Parse error: syntax error, unexpected '=', expecting ')' in /in/t5n8s on line 4
Process exited with code 255.
preferences:
183.78 ms | 1395 KiB | 57 Q