php - asking about the cookie after logout -


i'm trying access cookie's value (using $_cookie) after calling setcookie() function in php. when so, $_cookie[$cookiename] isn't set after login. why?

if(isset($_session)){     $_session['email']=$username;     $_session['id']=$query['id'];     $_session['name']=$query['name'];     $_cookie[$cookiename]=$query['name'];       $cookiename="user";     $cookie_value = "john doe";     setcookie($cookiename,$cookie_value, time() + (86400 * 30),"/");     if (!$session->check()){         echo $cookiename ;     }else {         echo $_cookie[$cookiename];     }

  1. this because when call setcookie() attaching cookie current response(when current request completes).

  2. $_cookie have value when request made cookie header set i.e cookie sent server.

so, when #1 happens don't have in $_cookie, once #2 happens have value in $_cookie

edit: need mentioned in manual http://php.net/manual/en/function.setcookie.php

setcookie() defines cookie sent along rest of http headers once cookies have been set, can accessed on next page load $_cookie array. cookie values may exist in $_request.


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