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<?php $arr1 = array(5, 3, 9, 11, 6, 15); $arr2 = array(11, 20, 1, 3, 8); foreach($arr1 as $a) { $func = function ($x, $y) { return $x < $y; }; $max = max(array_filter($arr2, $func($x, $a))); echo $max; }
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $x in /in/OihkU on line 8 Fatal error: Uncaught TypeError: array_filter(): Argument #2 ($callback) must be a valid callback or null, no array or string given in /in/OihkU:8 Stack trace: #0 /in/OihkU(8): array_filter(Array, true) #1 {main} thrown in /in/OihkU on line 8
Process exited with code 255.
Output for 8.0.0 - 8.0.30
Warning: Undefined variable $x in /in/OihkU on line 8 Fatal error: Uncaught TypeError: array_filter(): Argument #2 ($callback) must be a valid callback, no array or string given in /in/OihkU:8 Stack trace: #0 /in/OihkU(8): array_filter(Array, true) #1 {main} thrown in /in/OihkU on line 8
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 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: x in /in/OihkU on line 8 Warning: array_filter() expects parameter 2 to be a valid callback, no array or string given in /in/OihkU on line 8 Warning: max(): When only one parameter is given, it must be an array in /in/OihkU on line 8 Notice: Undefined variable: x in /in/OihkU on line 8 Warning: array_filter() expects parameter 2 to be a valid callback, no array or string given in /in/OihkU on line 8 Warning: max(): When only one parameter is given, it must be an array in /in/OihkU on line 8 Notice: Undefined variable: x in /in/OihkU on line 8 Warning: array_filter() expects parameter 2 to be a valid callback, no array or string given in /in/OihkU on line 8 Warning: max(): When only one parameter is given, it must be an array in /in/OihkU on line 8 Notice: Undefined variable: x in /in/OihkU on line 8 Warning: array_filter() expects parameter 2 to be a valid callback, no array or string given in /in/OihkU on line 8 Warning: max(): When only one parameter is given, it must be an array in /in/OihkU on line 8 Notice: Undefined variable: x in /in/OihkU on line 8 Warning: array_filter() expects parameter 2 to be a valid callback, no array or string given in /in/OihkU on line 8 Warning: max(): When only one parameter is given, it must be an array in /in/OihkU on line 8 Notice: Undefined variable: x in /in/OihkU on line 8 Warning: array_filter() expects parameter 2 to be a valid callback, no array or string given in /in/OihkU on line 8 Warning: max(): When only one parameter is given, it must be an array in /in/OihkU on line 8
Output for 7.3.32 - 7.3.33
Warning: array_filter() expects parameter 2 to be a valid callback, no array or string given in /in/OihkU on line 8 Warning: max(): When only one parameter is given, it must be an array in /in/OihkU on line 8 Warning: array_filter() expects parameter 2 to be a valid callback, no array or string given in /in/OihkU on line 8 Warning: max(): When only one parameter is given, it must be an array in /in/OihkU on line 8 Warning: array_filter() expects parameter 2 to be a valid callback, no array or string given in /in/OihkU on line 8 Warning: max(): When only one parameter is given, it must be an array in /in/OihkU on line 8 Warning: array_filter() expects parameter 2 to be a valid callback, no array or string given in /in/OihkU on line 8 Warning: max(): When only one parameter is given, it must be an array in /in/OihkU on line 8 Warning: array_filter() expects parameter 2 to be a valid callback, no array or string given in /in/OihkU on line 8 Warning: max(): When only one parameter is given, it must be an array in /in/OihkU on line 8 Warning: array_filter() expects parameter 2 to be a valid callback, no array or string given in /in/OihkU on line 8 Warning: max(): When only one parameter is given, it must be an array in /in/OihkU on line 8
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/OihkU on line 7
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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/OihkU on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/OihkU on line 7
Process exited with code 255.
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