Catherine's Query via POST
ID = 0
ID = 0
<?php
include('../includes/header.php');
error_reporting(E_ALL); // set error reporting to all
// get the id from a POST operation via POST ternary operator
$id = isset($_POST['id']) ? $_POST['id'] : 0;
?>
<h1>Catherine's Query via POST</h1>
<p>
ID = <?php echo($id); ?>
</p>
<form action="" method="POST">
<input type="hidden" name="id" value="<?php echo($id - 1); ?>">
<input type="submit" name="submit" value="DECREASE">
</form>
<br>
<form action="" method="POST">
<input type="hidden" name="id" value="<?php echo($id + 1); ?>">
<input type="submit" name="submit" value="INCREASE">
</form>
<?php
include('../includes/footer.php');
?>