Sorry my mind has gone numb

I'm working with this code...
PHP Code:
<?php
if(isset($_REQUEST[getitemsno])){
                         
$getitemsno=$_REQUEST['getitemsno'];
                         }else{
                         
$getitemsno=count($_GET['items']);} //looking at items[] in the URL
                         
$getitems=$_GET['items'];
           if(
$_POST[Deluse]){
                         
$getitemsno=$getitemsno-1;
                         
array_pop($getitems);}?>
        <input type="hidden" name="getitemsno" value="<?php echo "$getitemsno"
echo 
"$getitemsno";?>" />
There are multiple items[] in the URL but echo $getitemsno is showing nothing when I push my [Deluse] button (form is set to post), where have I gone wrong??!