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<?php function test($array) { try { return isDictionary($array); } catch (Exception $e) { echo $e->getMessage(); return 'error'; } } function isDictionary($array) { foreach($array as $key => $value) { return ! is_int($key); } return false; } $arr = 0; var_dump(test($arr));
Output for git.master, git.master_jit, rfc.property-hooks
Warning: foreach() argument must be of type array|object, int given in /in/9fEMl on line 17 bool(false)

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