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php Programming Glossary: validate_ipWhat is the most accurate way to retrieve a user's correct IP address in PHP? http://stackoverflow.com/questions/1634782/what-is-the-most-accurate-way-to-retrieve-a-users-correct-ip-address-in-php internet ISP IP if empty _SERVER 'HTTP_CLIENT_IP' this validate_ip _SERVER 'HTTP_CLIENT_IP' return _SERVER 'HTTP_CLIENT_IP' check.. 'HTTP_X_FORWARDED_FOR' foreach iplist as ip if this validate_ip ip return ip if empty _SERVER 'HTTP_X_FORWARDED' this validate_ip.. ip return ip if empty _SERVER 'HTTP_X_FORWARDED' this validate_ip _SERVER 'HTTP_X_FORWARDED' return _SERVER 'HTTP_X_FORWARDED'..
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