Определение IP на php
17 сентября 2011
Для определения IP клиента на PHP я использую один из этих примеров.
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<? function getIp() { global $REMOTE_ADDR; global $HTTP_X_FORWARDED_FOR, $HTTP_X_FORWARDED, $HTTP_FORWARDED_FOR, $HTTP_FORWARDED; global $HTTP_VIA, $HTTP_X_COMING_FROM, $HTTP_COMING_FROM; global $HTTP_SERVER_VARS, $HTTP_ENV_VARS; // Get some server/environment variables values if (empty($REMOTE_ADDR)) { if (!empty($_SERVER) && isset($_SERVER['REMOTE_ADDR'])) { $REMOTE_ADDR = $_SERVER['REMOTE_ADDR']; } else if (!empty($_ENV) && isset($_ENV['REMOTE_ADDR'])) { $REMOTE_ADDR = $_ENV['REMOTE_ADDR']; } else if (!empty($HTTP_SERVER_VARS) && isset($HTTP_SERVER_VARS['REMOTE_ADDR'])) { $REMOTE_ADDR = $HTTP_SERVER_VARS['REMOTE_ADDR']; } else if (!empty($HTTP_ENV_VARS) && isset($HTTP_ENV_VARS['REMOTE_ADDR'])) { $REMOTE_ADDR = $HTTP_ENV_VARS['REMOTE_ADDR']; } else if (@getenv('REMOTE_ADDR')) { $REMOTE_ADDR = getenv('REMOTE_ADDR'); } } // end if if (empty($HTTP_X_FORWARDED_FOR)) { if (!empty($_SERVER) && isset($_SERVER['HTTP_X_FORWARDED_FOR'])) { $HTTP_X_FORWARDED_FOR = $_SERVER['HTTP_X_FORWARDED_FOR']; } else if (!empty($_ENV) && isset($_ENV['HTTP_X_FORWARDED_FOR'])) { $HTTP_X_FORWARDED_FOR = $_ENV['HTTP_X_FORWARDED_FOR']; } else if (!empty($HTTP_SERVER_VARS) && isset($HTTP_SERVER_VARS['HTTP_X_FORWARDED_FOR'])) { $HTTP_X_FORWARDED_FOR = $HTTP_SERVER_VARS['HTTP_X_FORWARDED_FOR']; } else if (!empty($HTTP_ENV_VARS) && isset($HTTP_ENV_VARS['HTTP_X_FORWARDED_FOR'])) { $HTTP_X_FORWARDED_FOR = $HTTP_ENV_VARS['HTTP_X_FORWARDED_FOR']; } else if (@getenv('HTTP_X_FORWARDED_FOR')) { $HTTP_X_FORWARDED_FOR = getenv('HTTP_X_FORWARDED_FOR'); } } // end if if (empty($HTTP_X_FORWARDED)) { if (!empty($_SERVER) && isset($_SERVER['HTTP_X_FORWARDED'])) { $HTTP_X_FORWARDED = $_SERVER['HTTP_X_FORWARDED']; } else if (!empty($_ENV) && isset($_ENV['HTTP_X_FORWARDED'])) { $HTTP_X_FORWARDED = $_ENV['HTTP_X_FORWARDED']; } else if (!empty($HTTP_SERVER_VARS) && isset($HTTP_SERVER_VARS['HTTP_X_FORWARDED'])) { $HTTP_X_FORWARDED = $HTTP_SERVER_VARS['HTTP_X_FORWARDED']; } else if (!empty($HTTP_ENV_VARS) && isset($HTTP_ENV_VARS['HTTP_X_FORWARDED'])) { $HTTP_X_FORWARDED = $HTTP_ENV_VARS['HTTP_X_FORWARDED']; } else if (@getenv('HTTP_X_FORWARDED')) { $HTTP_X_FORWARDED = getenv('HTTP_X_FORWARDED'); } } // end if if (empty($HTTP_FORWARDED_FOR)) { if (!empty($_SERVER) && isset($_SERVER['HTTP_FORWARDED_FOR'])) { $HTTP_FORWARDED_FOR = $_SERVER['HTTP_FORWARDED_FOR']; } else if (!empty($_ENV) && isset($_ENV['HTTP_FORWARDED_FOR'])) { $HTTP_FORWARDED_FOR = $_ENV['HTTP_FORWARDED_FOR']; } else if (!empty($HTTP_SERVER_VARS) && isset($HTTP_SERVER_VARS['HTTP_FORWARDED_FOR'])) { $HTTP_FORWARDED_FOR = $HTTP_SERVER_VARS['HTTP_FORWARDED_FOR']; } else if (!empty($HTTP_ENV_VARS) && isset($HTTP_ENV_VARS['HTTP_FORWARDED_FOR'])) { $HTTP_FORWARDED_FOR = $HTTP_ENV_VARS['HTTP_FORWARDED_FOR']; } else if (@getenv('HTTP_FORWARDED_FOR')) { $HTTP_FORWARDED_FOR = getenv('HTTP_FORWARDED_FOR'); } } // end if if (empty($HTTP_FORWARDED)) { if (!empty($_SERVER) && isset($_SERVER['HTTP_FORWARDED'])) { $HTTP_FORWARDED = $_SERVER['HTTP_FORWARDED']; } else if (!empty($_ENV) && isset($_ENV['HTTP_FORWARDED'])) { $HTTP_FORWARDED = $_ENV['HTTP_FORWARDED']; } else if (!empty($HTTP_SERVER_VARS) && isset($HTTP_SERVER_VARS['HTTP_FORWARDED'])) { $HTTP_FORWARDED = $HTTP_SERVER_VARS['HTTP_FORWARDED']; } else if (!empty($HTTP_ENV_VARS) && isset($HTTP_ENV_VARS['HTTP_FORWARDED'])) { $HTTP_FORWARDED = $HTTP_ENV_VARS['HTTP_FORWARDED']; } else if (@getenv('HTTP_FORWARDED')) { $HTTP_FORWARDED = getenv('HTTP_FORWARDED'); } } // end if if (empty($HTTP_VIA)) { if (!empty($_SERVER) && isset($_SERVER['HTTP_VIA'])) { $HTTP_VIA = $_SERVER['HTTP_VIA']; } else if (!empty($_ENV) && isset($_ENV['HTTP_VIA'])) { $HTTP_VIA = $_ENV['HTTP_VIA']; } else if (!empty($HTTP_SERVER_VARS) && isset($HTTP_SERVER_VARS['HTTP_VIA'])) { $HTTP_VIA = $HTTP_SERVER_VARS['HTTP_VIA']; } else if (!empty($HTTP_ENV_VARS) && isset($HTTP_ENV_VARS['HTTP_VIA'])) { $HTTP_VIA = $HTTP_ENV_VARS['HTTP_VIA']; } else if (@getenv('HTTP_VIA')) { $HTTP_VIA = getenv('HTTP_VIA'); } } // end if if (empty($HTTP_X_COMING_FROM)) { if (!empty($_SERVER) && isset($_SERVER['HTTP_X_COMING_FROM'])) { $HTTP_X_COMING_FROM = $_SERVER['HTTP_X_COMING_FROM']; } else if (!empty($_ENV) && isset($_ENV['HTTP_X_COMING_FROM'])) { $HTTP_X_COMING_FROM = $_ENV['HTTP_X_COMING_FROM']; } else if (!empty($HTTP_SERVER_VARS) && isset($HTTP_SERVER_VARS['HTTP_X_COMING_FROM'])) { $HTTP_X_COMING_FROM = $HTTP_SERVER_VARS['HTTP_X_COMING_FROM']; } else if (!empty($HTTP_ENV_VARS) && isset($HTTP_ENV_VARS['HTTP_X_COMING_FROM'])) { $HTTP_X_COMING_FROM = $HTTP_ENV_VARS['HTTP_X_COMING_FROM']; } else if (@getenv('HTTP_X_COMING_FROM')) { $HTTP_X_COMING_FROM = getenv('HTTP_X_COMING_FROM'); } } // end if if (empty($HTTP_COMING_FROM)) { if (!empty($_SERVER) && isset($_SERVER['HTTP_COMING_FROM'])) { $HTTP_COMING_FROM = $_SERVER['HTTP_COMING_FROM']; } else if (!empty($_ENV) && isset($_ENV['HTTP_COMING_FROM'])) { $HTTP_COMING_FROM = $_ENV['HTTP_COMING_FROM']; } else if (!empty($HTTP_COMING_FROM) && isset($HTTP_SERVER_VARS['HTTP_COMING_FROM'])) { $HTTP_COMING_FROM = $HTTP_SERVER_VARS['HTTP_COMING_FROM']; } else if (!empty($HTTP_ENV_VARS) && isset($HTTP_ENV_VARS['HTTP_COMING_FROM'])) { $HTTP_COMING_FROM = $HTTP_ENV_VARS['HTTP_COMING_FROM']; } else if (@getenv('HTTP_COMING_FROM')) { $HTTP_COMING_FROM = getenv('HTTP_COMING_FROM'); } } // end if // Gets the default ip sent by the user if (!empty($REMOTE_ADDR)) { $direct_ip = $REMOTE_ADDR; } // Gets the proxy ip sent by the user $proxy_ip = ''; if (!empty($HTTP_X_FORWARDED_FOR)) { $proxy_ip = $HTTP_X_FORWARDED_FOR; } else if (!empty($HTTP_X_FORWARDED)) { $proxy_ip = $HTTP_X_FORWARDED; } else if (!empty($HTTP_FORWARDED_FOR)) { $proxy_ip = $HTTP_FORWARDED_FOR; } else if (!empty($HTTP_FORWARDED)) { $proxy_ip = $HTTP_FORWARDED; } else if (!empty($HTTP_VIA)) { $proxy_ip = $HTTP_VIA; } else if (!empty($HTTP_X_COMING_FROM)) { $proxy_ip = $HTTP_X_COMING_FROM; } else if (!empty($HTTP_COMING_FROM)) { $proxy_ip = $HTTP_COMING_FROM; } // end if... else if... // Returns the true IP if it has been found, else FALSE if (empty($proxy_ip)) { // True IP without proxy return $direct_ip; } else { $is_ip = ereg('^([0-9]{1,3}.){3,3}[0-9]{1,3}', $proxy_ip, $regs); if ($is_ip && (count($regs) > 0)) { // True IP behind a proxy return $regs[0]; } else { // Can't define IP: there is a proxy but we don't have // information about the true IP return FALSE; } } // end if... else... } // end of the 'getIp()' function echo getIp(); ?> |
или вот так
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<? function validip($ip) { if (!empty($ip) && ip2long($ip)!=-1) { $reserved_ips = array ( array('0.0.0.0','2.255.255.255'), array('10.0.0.0','10.255.255.255'), array('127.0.0.0','127.255.255.255'), array('169.254.0.0','169.254.255.255'), array('172.16.0.0','172.31.255.255'), array('192.0.2.0','192.0.2.255'), array('192.168.0.0','192.168.255.255'), array('255.255.255.0','255.255.255.255') ); foreach ($reserved_ips as $r) { $min = ip2long($r[0]); $max = ip2long($r[1]); if ((ip2long($ip) >= $min) && (ip2long($ip) <= $max)) return false; } return true; } else { return false; } } function getip() { if (validip(@$_SERVER["HTTP_CLIENT_IP"])) { return $_SERVER["HTTP_CLIENT_IP"]; } foreach (explode(",",@$_SERVER["HTTP_X_FORWARDED_FOR"]) as $ip) { if (validip(trim($ip))) { return $ip; } } if (validip(@$_SERVER["HTTP_X_FORWARDED"])) { return $_SERVER["HTTP_X_FORWARDED"]; } elseif (validip(@$_SERVER["HTTP_FORWARDED_FOR"])) { return $_SERVER["HTTP_FORWARDED_FOR"]; } elseif (validip(@$_SERVER["HTTP_FORWARDED"])) { return $_SERVER["HTTP_FORWARDED"]; } elseif (validip(@$_SERVER["HTTP_X_FORWARDED"])) { return $_SERVER["HTTP_X_FORWARDED"]; } else { return $_SERVER["REMOTE_ADDR"]; } } echo getip(); ?> |
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