3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = array(one, two, three); foreach ($a as &$b) {} print_r($a);
Output for 7.2.0 - 7.3.0alpha1
Warning: Use of undefined constant one - assumed 'one' (this will throw an Error in a future version of PHP) in /in/VCTJW on line 3 Warning: Use of undefined constant two - assumed 'two' (this will throw an Error in a future version of PHP) in /in/VCTJW on line 3 Warning: Use of undefined constant three - assumed 'three' (this will throw an Error in a future version of PHP) in /in/VCTJW on line 3 Array ( [0] => one [1] => two [2] => three )
Output for 5.0.0 - 7.1.10
Notice: Use of undefined constant one - assumed 'one' in /in/VCTJW on line 3 Notice: Use of undefined constant two - assumed 'two' in /in/VCTJW on line 3 Notice: Use of undefined constant three - assumed 'three' in /in/VCTJW on line 3 Array ( [0] => one [1] => two [2] => three )
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/VCTJW on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected '&', expecting T_VARIABLE or '$' in /in/VCTJW on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/VCTJW on line 7
Process exited with code 255.