- Output for 7.0.0 - 7.0.29, 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 - 8.3.7
- 127.0.0.1 is a valid IP address
<?php
$ip = "127.0.0.1";
// Validate ip
if (filter_var($ip, FILTER_VALIDATE_IP)) {
echo("$ip is a valid IP address");
} else {
echo("$ip is not a valid IP address");
}