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Hello there,
This is new to me and I don’t want to miss it. Redirect function in web programming is very common used. However, until recent time I didn’t know how to use it correctly. Today I will explain here why it make me write this blog entry.
For example, you are using PHP and write a redirect instruction send to user browser. And you are checking for an user login. The logic in your mind is if the check returns false, then user will be redirect to a different page. If true, is return, authenticate user.

//if invalid user + password => redirect

if( !$validUser)  {



$session[‘user’] = “authenticated user”;

Without exit function after redirect function, the user will be automatically authenticated next visit.

If you are working with CakePHP, the correct way to call redirect in Controller is

$your_controller->redirect($url, $status = null, $exit = true) ;


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