How to destroy the php session with one button

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I\'d like to make a simple form button which completely destroys the session when you click on it. I am just starting to use PHP for the first time, and do not see how I imp

index.php

<?php session_start(); ?>

<form action="clear-session.php" method="POST">
    <input type="submit" value="Clear session" />
</form>

clear-session.php

<?php session_start();

session_destroy();
header('Location: index.php');
exit();
?>

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故里飘歌

2020-12-12 00:05
The form button is just like any other form button, nothing special. Catch the POST on the php side of things, and use session_destroy(); to kill the session data entirely.

See this guide for info about forms and post if you're hazy on the subject: http://www.tizag.com/phpT/postget.php and this http://www.tizag.com/phpT/phpsessions.php for info about sessions

More info about forms and PHP and how to work with the data from the form: http://www.tizag.com/phpT/forms.php

Example:

Order.html:
```
<html><body>
<h4>Tizag Art Supply Order Form</h4>
<form action="process.php" method="post">
<input type="submit" />
</form>
</body></html>
```
process.php:
```
<html><body>
<?php
session_destroy();
?>
</body></html>
```
It's cheesy...does this help?
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