3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $ary = array(1, 2, 3, 4, 5); foreach($ary as &$a) { print $a . '<br />'; } foreach($ary as $a) { print $a . '<br />'; }
Output for 5.0.0 - 5.6.26, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
1<br />2<br />3<br />4<br />5<br />1<br />2<br />3<br />4<br />4<br />
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/u9GI8 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 '$' in /in/u9GI8 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/u9GI8 on line 3
Process exited with code 255.