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<?php $array = array(1,2,3,4,5); class helper { public static function call($a) { print_r($a); } } $helper = new helper(); array_walk($array, helper::call());
based on Un1Aj
Output for 7.1.0
Fatal error: Uncaught ArgumentCountError: Too few arguments to function helper::call(), 0 passed in /in/ivPmq on line 12 and exactly 1 expected in /in/ivPmq:6 Stack trace: #0 /in/ivPmq(12): helper::call() #1 {main} thrown in /in/ivPmq on line 6
Process exited with code 255.
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.0.14
Warning: Missing argument 1 for helper::call(), called in /in/ivPmq on line 12 and defined in /in/ivPmq on line 6 Notice: Undefined variable: a in /in/ivPmq on line 7 Warning: array_walk() expects parameter 2 to be a valid callback, no array or string given in /in/ivPmq on line 12
Output for hhvm-3.10.0 - 3.12.0
Warning: call() expects exactly 1 parameter, 0 given in /in/ivPmq on line 7 Notice: Undefined variable: a in /in/ivPmq on line 7 Warning: Invalid argument: function: not string, closure, or array in /in/ivPmq on line 12
Output for 5.1.0 - 5.2.17
Warning: Missing argument 1 for helper::call(), called in /in/ivPmq on line 12 and defined in /in/ivPmq on line 6 Notice: Undefined variable: a in /in/ivPmq on line 7 Warning: array_walk(): Wrong syntax for function name in /in/ivPmq on line 12
Output for 5.0.0 - 5.0.5
Warning: Missing argument 1 for helper::call() in /in/ivPmq on line 6 Warning: array_walk(): Wrong syntax for function name in /in/ivPmq on line 12
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/ivPmq on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/ivPmq on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/ivPmq on line 6
Process exited with code 255.