public function getUserIP()
{
foreach (['HTTP_CLIENT_IP', 'HTTP_X_FORWARDED_FOR', 'HTTP_X_FORWARDED', 'HTTP_FORWARDED_FOR', 'HTTP_FORWARDED', 'REMOTE_ADDR'] as $name) {
if (isset($_SERVER[$name]) && Check::isIp($_SERVER[$name])) {
return $_SERVER[$name];
}
}
return null;
}
/**
* 保存一个url快捷方式;
*
* @param $url
* @param $attachmentName
*/
public function saveUrl($url, $attachmentName)
{
if (!Check::isUrl($url)) {
throw new InvalidValueException("Invalid varlue url");
}
$attachmentName = '.url' == substr($attachmentName, -4) ? $attachmentName : "{$attachmentName}.url";
$content = "[InternetShortcut]\r\nURL={$url}\r\nIDList=\r\n[{000214A0-0000-0000-C000-000000000046}]\r\nProp3=19,2";
return $this->sendContentAsFile($content, $attachmentName, 'application/octet-stream');
}