标签:long sprintf ddr _for null false print php get
function getip(){
static $ip = null;
if($ip !=null) return $ip;
if(getenv(‘REMOTE_ADDR‘)) $ip = sprintf(‘%u‘,ip2long(getenv(‘REMOTE_ADDR‘)));
elseif(getenv(‘HTTP_CLIENT_IP‘)) $ip = sprintf(‘%u‘,ip2long(getenv(‘HTTP_CLIENT_IP‘)));
elseif(getenv(‘HTTP_X _FORWARAED_FOR‘)) $ip = sprintf(‘%u‘,ip2long(getenv(‘HTTP_X _FORWARAED_FOR‘)));
return $ip;
}标签:long sprintf ddr _for null false print php get
原文地址:http://www.cnblogs.com/lauhp/p/7999592.html