I'm working on a code which has a form. The answer on the form needs to decide to which page it should go, but it doesn't work.
<html>
<body>
<form action= "<?php echo $action; ?>" method="post">
Temperatuur: <input type="text" name="graden"><br>
<input type="Submit">
<?php
if($_GET["graden"]>=28){
$action = "Koelbox.php";
}
else{
$action = "scrabble.php";
};
?>
</form>
</body>
</html> ```
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