3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $errorarray = array(); function addError($err) { array_push($errorarray, $err); } addError("Help"); addError("Test"); foreach ($errorarray as &$val) { echo "<p>" . $val . "</p>"; }
Output for 5.3.0 - 7.1.0
Warning: array_push() expects parameter 1 to be array, null given in /in/O6jB3 on line 7 Warning: array_push() expects parameter 1 to be array, null given in /in/O6jB3 on line 7
Output for 5.0.0 - 5.2.17
Warning: array_push(): First argument should be an array in /in/O6jB3 on line 7 Warning: array_push(): First argument should be an array in /in/O6jB3 on line 7
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/O6jB3 on line 13
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 '$' in /in/O6jB3 on line 13
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/O6jB3 on line 13
Process exited with code 255.