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@ 2015-10-28T17:46:05Z

<?php

$ip = "::ffff:0:10.0.0.3";
if (!filter_var($ip, FILTER_VALIDATE_IP) === false) {
    echo("$ip is a valid IP address");
} else {
    echo("$ip is not a valid IP address");
}

Output
Performance
VLD
References
Branches

filter_var: documentation ( source)

preferences:dark modelive preview

34.98 ms | 402 KiB | 5 Q