Php retrieves the current url and replaces the parameter

Php retrieves the current url and replaces the parameter ?? $ _ REQUEST [] is the most common submission if ajax is not used. However, if you want to obtain a parameter in the url of the current page, you must use $ _ SERVER ['http _ referer'] and then process it. Use firefox to view ref php to get the current url and replace the parameters.

?? $ _ REQUEST [] is the most common submission if ajax is not used. However, if you want to obtain a parameter in the url of the current page, you must use $ _ SERVER ['http _ referer'] and then process it. You can use firefox to view refer to understand the principle.