3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = preg_match('/^(\d+)$/','12345', $m); foreach($v as &$m) echo $v.'\n';
Output for 5.1.0 - 7.2.0
Notice: Undefined variable: v in /in/YXUiM on line 3 Warning: Invalid argument supplied for foreach() in /in/YXUiM on line 3
Output for 5.0.0 - 5.0.5
Warning: Invalid argument supplied for foreach() in /in/YXUiM on line 3
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/YXUiM 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 '$' in /in/YXUiM on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/YXUiM on line 3
Process exited with code 255.