php 获取ip地址代码汇总，php获取ip汇总代码一：
function getip() { static $ip = ''; $ip = $_server['remote_addr']; if(isset($_server['http_cdn_src_ip'])) { $ip = $_server['http_cdn_src_ip']; } elseif (isset($_server['http_client_ip']) && preg_match('/^([0-9]{1,3}\.){3}[0-9]{1,3}$/', $_server['http_client_ip'])) { $ip = $_server['http_client_ip']; } elseif(isset($_server['http_x_forwarded_for']) and preg_match_all('#\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}#s', $_server['http_x_forwarded_for'], $matches)) { foreach ($matches[0] as $xip) { if (!preg_match('#^(10|172\.16|192\.168)\.#', $xip)) { $ip = $xip; break; } } } return $ip;}
代码二：

方法三：

方法四：

方法五：
<?phpfunction get_real_ip(){$ip=false;if(!empty($_server[http_client_ip])){ $ip = $_server[http_client_ip];}if (!empty($_server['http_x_forwarded_for'])){ $ips = explode (, , $_server['http_x_forwarded_for']); if($ip){ array_unshift($ips, $ip); $ip = false; } for($i = 0; $i
方法六：

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