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<?php function test(array $array) { try { return isDictionary($array); } catch (Exception $e) { echo 'ss'; return 'error'; } } function isDictionary($array) { return !(bool)count(array_filter(array_keys($array), 'is_string')); } $arr = 0; var_dump(test($arr));
based on L3vrO
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught TypeError: Argument 1 passed to test() must be of the type array, integer given, called in /in/ia1SZ on line 23 and defined in /in/ia1SZ:3 Stack trace: #0 /in/ia1SZ(23): test(0) #1 {main} thrown in /in/ia1SZ on line 3
Process exited with code 255.
Output for 5.4.9 - 5.6.28
Catchable fatal error: Argument 1 passed to test() must be of the type array, integer given, called in /in/ia1SZ on line 23 and defined in /in/ia1SZ on line 3
Process exited with code 255.
Output for 5.3.19 - 5.3.29
Catchable fatal error: Argument 1 passed to test() must be an array, integer given, called in /in/ia1SZ on line 23 and defined in /in/ia1SZ on line 3
Process exited with code 255.