$ actual_link =“ http：// $ _ SERVER [HTTP_HOST] $ _SERVER [REQUEST_URI]”;不接受+“特殊字符”

Question

$actual_link = "http://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";

我的网址是varun.com/by=varun+goyal，例如：它使用varun.com/by=varun而不是varun.com/by=varun+goyal