php获取客户端ip,简单实用 function getOnlineIP() { $cip = getenv ( 'HTTP_CLIENT_IP' ); $xip = getenv ( 'HTTP_X_FORWARDED_FOR' ); $rip = getenv ( 'REMOTE_ADDR' ); $srip = $_SERVER ['REMOTE_ADDR'];
if ($cip && strcasecmp ( $cip,'unknown' )) { $onlineip = $cip; } elseif ($xip && strcasecmp ( $xip,'unknown' )) { $onlineip = $xip; } elseif ($rip && strcasecmp ( $rip,'unknown' )) { $onlineip = $rip; } elseif ($srip && strcasecmp ( $srip,'unknown' )) { $onlineip = $srip; } // 15网(LieHuo28.Net)教09程 preg_match ( "/[d.]{7,15}/",$onlineip,$match ); $onlineip = $match [0] ? $match [0] : 'unknown';
return $onlineip; }
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