here i am getting a value from previous page with form here i assign the value to php variable $foodid i want to echo its value after the continue button is clicked
//its value is passed from the previous page form with action to this page
$foodid = $_REQUEST['foodid'];
//as soon as continue button is clicked i want to display $foodid
<form method="post" action="">
<input type="submit" name="continue" value="continue">
</form>
if(isset($_POST['continue'])){
echo $foodid;//here the foodid variable must be declared
}