3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ip = "fe80::3549:8417:2ad0:ef6a%4"; var_dump(filter_var($ip, FILTER_VALIDATE_IP));
Output for 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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
bool(false)
preferences:
51.57 ms | 1479 KiB | 4 Q