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<?php /** * TLDSupport: Support package for TLDDatabase and TLDExtract. * * @link https://github.com/layershifter/TLDSupport * * @copyright Copyright (c) 2016, Alexander Fedyashov * @license https://raw.githubusercontent.com/layershifter/TLDSupport/master/LICENSE Apache 2.0 License */ namespace LayerShifter\TLDSupport\Helpers; /** * Helper class for work with IP addresses. */ class IP { /** * Check if the input is a valid IP address. Recognizes both IPv4 and IPv6 addresses. * * @param string $hostname Hostname that will be checked * * @return boolean */ public static function isValid($hostname) { $hostname = trim($hostname); // Strip the wrapping square brackets from IPv6 addresses. if (Str::startsWith($hostname, '[') && Str::endsWith($hostname, ']')) { $hostname = substr($hostname, 1, -1); } return (bool)filter_var($hostname, FILTER_VALIDATE_IP); } }
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