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<?php set_exception_handler(function(Exception $e) { echo "Didn't work. Here's why: ". $e->getMessage() . PHP_EOL; }); function tryAndDump($array) { var_dump(SplFixedArray::fromArray($array)); var_dump(SplFixedArray::fromArray($array, true)); var_dump(SplFixedArray::fromArray($array, false)); } $null = null; $empty = array(); $norm = array(1, 2, 4); $assoc = array('yup' => 'ok', 'nope' => 'bad'); $mixed = array(1, 2, 'yup' => 'ok', 'nah'); tryAndDump($null); tryAndDump($empty); tryAndDump($norm); tryAndDump($assoc); tryAndDump($mixed);
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: {closure}(): Argument #1 ($e) must be of type Exception, TypeError given in /in/QqS6K:3 Stack trace: #0 [internal function]: {closure}(Object(TypeError)) #1 {main} thrown in /in/QqS6K on line 3
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 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
Warning: SplFixedArray::fromArray() expects parameter 1 to be array, null given in /in/QqS6K on line 8 NULL Warning: SplFixedArray::fromArray() expects parameter 1 to be array, null given in /in/QqS6K on line 9 NULL Warning: SplFixedArray::fromArray() expects parameter 1 to be array, null given in /in/QqS6K on line 10 NULL object(SplFixedArray)#2 (0) { } object(SplFixedArray)#2 (0) { } object(SplFixedArray)#2 (0) { } object(SplFixedArray)#2 (3) { [0]=> int(1) [1]=> int(2) [2]=> int(4) } object(SplFixedArray)#2 (3) { [0]=> int(1) [1]=> int(2) [2]=> int(4) } object(SplFixedArray)#2 (3) { [0]=> int(1) [1]=> int(2) [2]=> int(4) } Didn't work. Here's why: array must contain only positive integer keys
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, expecting ')' in /in/QqS6K on line 3
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, expecting ')' in /in/QqS6K on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/QqS6K on line 3
Process exited with code 255.

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