How to get the addresses of the current page and the previous page in PHP?_PHP Tutorial

$_SERVER['HTTP_REFERER'] //Get the address of the previous page
$_SERVER[PHP_SELF] //Get the address of the current page
$_SERVER["HTTP_HOST"].$_SERVER["PHP_SELF"]." ?".$_SERVER["QUERY_STRING"] //This can get the address with parameters

http://www.bkjia.com/PHPjc/317186.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/317186.htmlTechArticle$_SERVER['HTTP_REFERER']//You can get the address of the previous page$_SERVER[PHP_SELF]//Get Current page address $_SERVER["HTTP_HOST"].$_SERVER["PHP_SELF"]."?".$_SERVER["QUERY_STRING"]//This can...