3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = [1, 2, 3]; $b = &$a; foreach ($a as $v) { echo $v; $a=[]; }
Output for 7.0.0 - 7.3.0rc4
123
Output for 5.4.10 - 5.6.28
1
Output for 5.3.20 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/k6uDU on line 3
Process exited with code 255.