3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = ['a', 1, true, 0, false, '', null]; foreach($a as $e) { var_dump($e ?? 'empty'); }
based on dR8hc
Output for 7.0.0 - 7.2.0
string(1) "a" int(1) bool(true) int(0) bool(false) string(0) "" string(5) "empty"
Output for 5.4.10 - 5.6.28
Parse error: syntax error, unexpected '?' in /in/ZoojB on line 6
Process exited with code 255.
Output for 5.3.20 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/ZoojB on line 3
Process exited with code 255.