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The final part of logging in, is a logout system. Let's reverse the logic for log in.
$session->remove('auth_logged_in');
$session->remove('auth_user_id');
$session->remove('auth_roles');
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The final part of a log
in system is logging out.
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Let's create the new procedure.
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We'll name this doLogout.php.
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And once again,
we'll need the bootstrap file.
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Let's copy from here.
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Okay, to log out a user
we need to remove all
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the authenticated sessions
that we set on log in.
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So let's copy those from our doLogin.
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Actually, let's copy all those lines,
Great,
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now, instead of set,
we want to say remove.
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And then we don't need to pass any value.
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Great, now we know that all
of our sessions are removed.
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Next, we can change our flash message.
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Success, successfully logged out, and
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redirect to the login page.
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Let's test this out in a browser.
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We'll choose Log Out, and
we get successfully logged out.
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Then log in, and we're good.
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We can log out and we can log back in.
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Now we're ready to automatically
log in a newly registered user.
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Let's go take a look at
our doLogin procedure.
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To log in on registration we'll need
to save these same session variables
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that we did on login.
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So let's move these session variables into
a function in our functions auth file.
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We'll cut from here, and then our
functions auth, we'll add a new function.
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And we'll call this saveUserSession.
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And we'll need to accept the user.
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And we'll paste our code.
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Remember, we need to add our global
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session since we're using
this inside of function.
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I don't want my redirect here,
instead I´ll save this, and
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I'll go back to my doLogin,
put the redirect here.
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And call my saveUserSession,
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and I'll pass my user.
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We can now use this saveUserSession
in our do register procedure as well.
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Undo register After our user,
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we're going to save user session,
and we'll pass our user.
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Well, let's go to the browser and
try registering another user.
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We can log out and then register,
and this time we'll register user.
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And this time we'll register our user.
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Great, we now see that we've successfully
logged in, and the user has been added.
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We can now log out,
log back in, and register.
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We're ready to lock down specific
functionality to only logged in users.
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