/**
* Get IP address.
*
* @static
* @return string IP address.
*/
public static function get()
{
$sIp = '';
// Default IP address value.
$aVars = [Server::HTTP_CLIENT_IP, Server::HTTP_X_FORWARDED_FOR, Server::REMOTE_ADDR];
foreach ($aVars as $sVar) {
if (null !== Server::getVar($sVar)) {
$sIp = Server::getVar($sVar);
break;
}
}
unset($aVars);
return preg_match('/^[a-z0-9:.]{7,}$/', $sIp) ? $sIp : '0.0.0.0';
}
/**
* Get IP address.
*
* @static
* @return string IP address. If the IP format is invalid, returns '0.0.0.0'
*/
public static function get()
{
$sIp = '';
// Default IP address value.
$aVars = [Server::HTTP_CLIENT_IP, Server::HTTP_X_FORWARDED_FOR, Server::REMOTE_ADDR];
foreach ($aVars as $sVar) {
if (null !== Server::getVar($sVar)) {
$sIp = Server::getVar($sVar);
break;
}
}
unset($aVars);
if (static::isPrivate($sIp)) {
$sIp = ($sIp = @file_get_contents('http://addons.hizup.com/ip/')) ? trim($sIp) : '127.0.0.1';
}
return preg_match('/^[a-z0-9:.]{7,}$/', $sIp) ? $sIp : '127.0.0.1';
}
/**
* Get IP address.
*
* @static
* @return string IP address. If the IP format is invalid, returns '0.0.0.0'
*/
public static function get()
{
$sIp = '';
// Default IP address value.
$aVars = [Server::HTTP_CLIENT_IP, Server::HTTP_X_FORWARDED_FOR, Server::REMOTE_ADDR];
foreach ($aVars as $sVar) {
if (null !== Server::getVar($sVar)) {
$sIp = Server::getVar($sVar);
break;
}
}
unset($aVars);
if (static::isPrivate($sIp)) {
$sIp = '127.0.0.1';
}
// Avoid invalid local IP for GeoIp
return preg_match('/^[a-z0-9:.]{7,}$/', $sIp) ? $sIp : '127.0.0.1';
}
/**
* @static
* @return string The HTTP server protocol.
*/
public static function getProtocol()
{
return Server::getVar(Server::SERVER_PROTOCOL);
}
/**
* @return boolean
*/
public function isAjaxRequest()
{
return array_key_exists(Server::HTTP_X_REQUESTED_WITH, Server::getVar());
}
