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<?php function test($array) { try { return isDictionary($array); } catch (Exception $e) { //echo $e->getMessage(); return 'error'; } } function isDictionary(array $array) { return !(bool)count(array_filter(array_keys($array), 'is_string')); } $arr = null; var_dump(test($arr));
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: isDictionary(): Argument #1 ($array) must be of type array, null given, called in /in/5rYIv on line 7 and defined in /in/5rYIv:16 Stack trace: #0 /in/5rYIv(7): isDictionary(NULL) #1 /in/5rYIv(23): test(NULL) #2 {main} thrown in /in/5rYIv on line 16
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught TypeError: Argument 1 passed to isDictionary() must be of the type array, null given, called in /in/5rYIv on line 7 and defined in /in/5rYIv:16 Stack trace: #0 /in/5rYIv(7): isDictionary(NULL) #1 /in/5rYIv(23): test(NULL) #2 {main} thrown in /in/5rYIv on line 16
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Catchable fatal error: Argument 1 passed to isDictionary() must be of the type array, null given, called in /in/5rYIv on line 7 and defined in /in/5rYIv on line 16
Process exited with code 255.
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