3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $aR = array(1,2,3,4,5,6); foreach ($aR as &$aS){ if ($aS ==2) unset($aS); } var_dump($aR); ?>
Output for 5.2.1 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(6) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) [4]=> int(5) [5]=> &int(6) }
Output for 5.0.0 - 5.2.0
array(6) { [0]=> &int(1) [1]=> int(2) [2]=> &int(3) [3]=> &int(4) [4]=> &int(5) [5]=> &int(6) }
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/AVeTg on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected '&', expecting T_VARIABLE or '$' in /in/AVeTg on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/AVeTg on line 3
Process exited with code 255.