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<?php $array = [1, 2, 3, 4]; $array2 = [5, 6, 7, 8]; $function = function($array) { if ($array == 1) { $function($array); } return $array; }; var_dump(array_map($function, $array));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Warning: Undefined variable $function in /in/HLBv8 on line 8 Fatal error: Uncaught Error: Value of type null is not callable in /in/HLBv8:8 Stack trace: #0 [internal function]: {closure}(1) #1 /in/HLBv8(14): array_map(Object(Closure), Array) #2 {main} thrown in /in/HLBv8 on line 8
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: function in /in/HLBv8 on line 8 Fatal error: Uncaught Error: Function name must be a string in /in/HLBv8:8 Stack trace: #0 [internal function]: {closure}(1) #1 /in/HLBv8(14): array_map(Object(Closure), Array) #2 {main} thrown in /in/HLBv8 on line 8
Process exited with code 255.
Output for 7.3.32 - 7.3.33
Fatal error: Uncaught Error: Function name must be a string in /in/HLBv8:8 Stack trace: #0 [internal function]: {closure}(1) #1 /in/HLBv8(14): array_map(Object(Closure), Array) #2 {main} thrown in /in/HLBv8 on line 8
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38
Notice: Undefined variable: function in /in/HLBv8 on line 8 Fatal error: Function name must be a string in /in/HLBv8 on line 8
Process exited with code 255.
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246.84 ms | 402 KiB | 341 Q