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Function to obtain client IP address under PHP_PHP tutorial
- WBOYOriginal
- 2016-07-21 15:39:50921browse
Copy code The code is as follows:
function getip() {
$IP=getenv('REMOTE_ADDR');
$IP_ = getenv('HTTP_X_FORWARDED_FOR');
if (($IP_ != "") && ($IP_ != "unknown")) $IP=$IP_;
return $IP;
}
The following one is better
Copy code The code is as follows:
function getIP( )
{
if (isset($_SERVER)) {
if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
$realip = $_SERVER['HTTP_X_FORWARDED_FOR'];
} elseif (isset($_SERVER['HTTP_CLIENT_IP'])) {
$realip = $_SERVER['HTTP_CLIENT_IP'];
} else {
$realip = $_SERVER['REMOTE_ADDR'];
}
} else {
if (getenv("HTTP_X_FORWARDED_FOR")) {
$realip = getenv( "HTTP_X_FORWARDED_FOR");
} elseif (getenv("HTTP_CLIENT_IP")) {
$realip = getenv("HTTP_CLIENT_IP");
} else {
$realip = getenv("REMOTE_ADDR");
}
}
return $realip;
}
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