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| LOG IN WITH PHP |
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It is often use for a login system to avoid some users. For example
in forums or a protected system. In this tutorial I will show you how to
log in to a site and check if the user exists in the database whith correct password.
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The User table
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I call the table that contains the users for myUsers. This has two colums:
Name and Password.
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display.php
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I made two texfields; one where you can write your username, and one where you can write
the password. I wrap this into a form and add a submit button. Something like this:
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login.php
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In order to let the user log in, you have check if the user exists.
I am setting the variables passed from display.php into varibles and
check them, using a sql statement, if the user exists.
The sql statement I use checks if there are any records which satisfy
this statement. If so a user with this password exists and I make a cookie
for him:
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secret.php
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I have made a secret file that just registered users are allowed to view.
At the topp of the file I make a test to see if the user have assigned a
cookie, if so he get to se the secret message :) Like the code below.
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Category
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Programming with PHP
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Author
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Tommy Johannessen
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