Store input from a text field in a PHP variable [closed]

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Store the users input from a text field in a variable. Any ways to do this?

---

HTML:

<input type="text" name="firstname" />

PHP-onsubmit (untested)

<?php
   $firstname = $_POST["firstname"];
?>

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if you have a form with that textarea and you submit that form, you'll have the value in your global $_GET or $_POST-array (depending on whats the methot of your form).

you can access this value by typing $_GET['nameofyourtextarea'] (or the same with $_POST)