} 

elseif

(

getenv

('HTTP_X_FORWARDED_FOR') && 

strcasecmp

(

getenv

('HTTP_X_FORWARDED_FOR'),

'unknown')) {

$onlineip

 = 

getenv

('HTTP_X_FORWARDED_FOR');

} 

elseif

(

getenv

('REMOTE_ADDR') && 

strcasecmp

(

getenv

('REMOTE_ADDR'),'unknown')) {

$onlineip

 = 

getenv

('REMOTE_ADDR');

} 

elseif

(isset(

$_SERVER

['REMOTE_ADDR']) && 

$_SERVER

['REMOTE_ADDR'] && 

strcasecmp

(

$_SERVER

['REMOTE_ADDR'],'unknown')) {

$onlineip

 = 

$_SERVER

['REMOTE_ADDR'];

}