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<?php $errorarray = array(); function addError($err) { array_push($errorarray, $err); } addError("Help"); addError("Test"); foreach ($errorarray as &$val) { echo "<p>" . $val . "</p>"; }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: array_push(): Argument #1 ($array) must be of type array, null given in /in/O6jB3:7 Stack trace: #0 /in/O6jB3(7): array_push(NULL, 'Help') #1 /in/O6jB3(10): addError('Help') #2 {main} thrown in /in/O6jB3 on line 7
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
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 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 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 '$' in /in/O6jB3 on line 13
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected '&', expecting T_VARIABLE or '$' 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.

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