11
08月
2015
10. 获取用户的真实 IP
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function getRealIpAddr()
{
if (!emptyempty( $_SERVER [ 'HTTP_CLIENT_IP' ]))
{
$ip = $_SERVER [ 'HTTP_CLIENT_IP' ];
}
elseif (!emptyempty( $_SERVER [ 'HTTP_X_FORWARDED_FOR' ]))
//to check ip is pass from proxy
{
$ip = $_SERVER [ 'HTTP_X_FORWARDED_FOR' ];
}
else
{
$ip = $_SERVER [ 'REMOTE_ADDR' ];
}
return $ip ;
}
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语法:
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<?php
$ip = getRealIpAddr();
echo $ip ;
?>
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