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<?php $ip = '127.0.0.1'; $long = ip2long($ip); var_dump($ip); var_dump($long); var_dump(is_string($ip)); var_dump(is_string($long)); var_dump(intval($ip) === $ip); // Detect whether the IP was already a long.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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(9) "127.0.0.1" int(2130706433) bool(true) bool(false) bool(false)
preferences:
272.23 ms | 404 KiB | 376 Q