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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')); } $arr = null; test($arr);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: isDictionary(): Argument #1 ($array) must be of type array, null given, called in /in/bflHr on line 7 and defined in /in/bflHr:16 Stack trace: #0 /in/bflHr(7): isDictionary(NULL) #1 /in/bflHr(23): test(NULL) #2 {main} thrown in /in/bflHr on line 16
Process exited with code 255.

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