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<?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"); }
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

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