3v4l.org

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