For anyone who cares I finally found a solution to my problem.
Here is the code.
$temp_array = array();
for($i = 0; $i < count($delete);$i++)
{
$temp_value = $delete[$i];
$temp_array[$i]['USER_NO'] = $myLists[$temp_value]['USER_NO'];
$temp_array[$i]['SELLERTYPE'] = $myLists[$temp_value]['SELLERTYPE'];
$temp_array[$i]['NAME'] = $myLists[$temp_value]['NAME'];
$temp_array[$i]['URL'] = $myLists[$temp_value]['URL'];
$temp_array[$i]['DURATION'] = $myLists[$temp_value]['DURATION'];
$temp_array[$i]['LISTINGS'] = $myLists[$temp_value]['LISTINGS'];
$temp_array[$i]['TYPE'] = $myLists[$temp_value]['TYPE'];
$temp_array[$i]['FEE'] = $myLists[$temp_value]['FEE'];
$temp_array[$i]['PRICE'] = $myLists[$temp_value]['PRICE'];
$temp_array[$i]['STARTPRICE'] = $myLists[$temp_value]['STARTPRICE'];
$temp_array[$i]['BIDINC'] = $myLists[$temp_value]['BIDINC'];
$temp_array[$i]['DESCRIPTION'] = $myLists[$temp_value]['DESCRIPTION'];
$temp_array[$i]['PAY'] = $myLists[$temp_value]['PAY'];
}
print_r(array_diff($myLists,$temp_array));
$arraydif = array_diff($myLists,$temp_array);
session_unset($myLists);
$myLists = $arraydif;
session_register('myLists');
Hope this helps someone in the future.