3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $ary = array(1, 2, 3, 4, 5); foreach($ary as &$a) { print $a . '\n'; } foreach($ary as $a) { print $a . '\n'; }
Output for 5.0.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
1\n2\n3\n4\n5\n1\n2\n3\n4\n4\n
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/2u8Ht 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 '$' in /in/2u8Ht on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/2u8Ht on line 3
Process exited with code 255.