3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(filter_var('168.178.0.1', FILTER_VALIDATE_IP)); var_dump(filter_var('2001:0db8:85a3:08d3:1319:8a2e:0370:7344', FILTER_VALIDATE_IP));

preferences:
29.34 ms | 402 KiB | 5 Q