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Login Script $_Session and Cookies


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I'm trying to create a login script but I can't figure out how to pull the data out of a $_COOKIE and how cookies work with $_SESSION.


Basically I have this

//pull data from database	

//store in the database strip for sql injection
	$myusername = stripslashes($myusername);
	$mypassword = stripslashes($mypassword);
	$myusername = mysql_real_escape_string($myusername);
	$mypassword = mysql_real_escape_string($mypassword);

//query database, check to see if username and password exist there / encrypt
	$sql="SELECT * FROM $tbl_name WHERE username='$myusername' and password=SHA('$mypassword')";


//if it exists, register the session with the username nad password, then set a cookie

			echo "Wrong Username or Password";

Then inside my cookietest.php..

			echo "session varible set and ";
			echo "session varibale not set and ";
		echo "cookie is set";
		echo "cookie is not set";

Even thogh I can see int he browser that the cookie was created I get "session varible not set and cookie is not set"

Edited by Wemperer
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Ok I was under the impression that SESSION relied on COOKIES. Apparently they CAN work together but session is sufficient enough.

Yes, you do not need to store anything in cookies unless you want a user's login to last after they have closed their browser.

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