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<?php function isIPv6($ip) { return filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6); } var_dump(isIPv6('127.0.0.1')); var_dump(isIPv6('127.0.0.1:8080')); var_dump(isIPv6('::1')); var_dump(isIPv6('::1:8080')); var_dump(isIPv6('[::1]:8080'));
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) bool(false) string(3) "::1" string(8) "::1:8080" bool(false)
preferences:
102.6 ms | 1475 KiB | 4 Q