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run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = array(1,2,3,4,5,6,7,8,9); $callback = function($element){ echo($element); }; function walk($a, $index, $callback){ if (count($a) == $index + 1) { $callback($a[$index]); } else { $callback($a[$index]); walk($a, $index + 1); } } walk($array);
Output for 7.1.0
Fatal error: Uncaught ArgumentCountError: Too few arguments to function walk(), 1 passed in /in/5UK2s on line 25 and exactly 3 expected in /in/5UK2s:9 Stack trace: #0 /in/5UK2s(25): walk(Array) #1 {main} thrown in /in/5UK2s on line 9
Process exited with code 255.
Output for 7.0.0 - 7.0.14
Warning: Missing argument 2 for walk(), called in /in/5UK2s on line 25 and defined in /in/5UK2s on line 9 Warning: Missing argument 3 for walk(), called in /in/5UK2s on line 25 and defined in /in/5UK2s on line 9 Notice: Undefined variable: index in /in/5UK2s on line 11 Notice: Undefined variable: callback in /in/5UK2s on line 17 Fatal error: Uncaught Error: Function name must be a string in /in/5UK2s:17 Stack trace: #0 /in/5UK2s(25): walk(Array) #1 {main} thrown in /in/5UK2s on line 17
Process exited with code 255.
Output for hhvm-3.10.0 - 3.12.0
Warning: walk() expects exactly 3 parameters, 1 given in /in/5UK2s on line 11 Notice: Undefined variable: index in /in/5UK2s on line 11 Notice: Undefined variable: callback in /in/5UK2s on line 17 Fatal error: Function name must be a string in /in/5UK2s on line 17
Process exited with code 255.
Output for 5.3.0 - 5.6.28
Warning: Missing argument 2 for walk(), called in /in/5UK2s on line 25 and defined in /in/5UK2s on line 9 Warning: Missing argument 3 for walk(), called in /in/5UK2s on line 25 and defined in /in/5UK2s on line 9 Notice: Undefined variable: index in /in/5UK2s on line 11 Notice: Undefined variable: callback in /in/5UK2s on line 17 Fatal error: Function name must be a string in /in/5UK2s on line 17
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/5UK2s on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/5UK2s on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/5UK2s on line 5
Process exited with code 255.