//取得IP
function getip(){
if (! empty($_SERVER ["HTTP_CLIENT_IP"])) {
$cip = $_SERVER ["HTTP_CLIENT_IP"];
} else if (! empty ( $_SERVER ["HTTP_X_FORWARDED_FOR"] )) {
$cip = $_SERVER ["HTTP_X_FORWARDED_FOR"];
} else if (! empty ( $_SERVER ["REMOTE_ADDR"] )) {
$cip = $_SERVER ["REMOTE_ADDR"];
} else {
$cip = '';
}
preg_match ( "/[d.]{7,15}/", $cip, $cips );
$cip = isset ( $cips [0] ) ? $cips [0] : 'unknown';
unset ( $cips );
return $cip;
}
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