方法一：
if('/'==DIRECTORY_SEPARATOR){
$server_ip=$_SERVER['SERVER_ADDR'];
}else{
$server_ip=@gethostbyname($_SERVER['SERVER_NAME']);
}
echo $server_ip;
方法二：
/**
* 獲取服務器端IP地址
* @return string
*/
function get_server_ip(){
if(isset($_SERVER)){
if($_SERVER['SERVER_ADDR']){
$server_ip=$_SERVER['SERVER_ADDR'];
}else{
$server_ip=$_SERVER['LOCAL_ADDR'];
}
}else{
$server_ip = getenv('SERVER_ADDR');
}
return $server_ip;
}
echo get_server_ip();
