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<?php $legit_id = pack("c3", ord('5'), 0, -34); var_dump($legit_id); var_dump(check_input_data($legit_id, 'int')); function check_input_data($data, $type) { //if (preg_match('/^[0-9]{1,10}$/D', $data) && $data < 2147483647) if (preg_match('/^[\w]{1,30}$/D', $data)) return true; return false; }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(3) "5�" bool(false)
preferences:
233.79 ms | 406 KiB | 327 Q