Wordpress Etikete Özel Yazı Çekimi

<?php
extract($_GET);
$category = get_the_category();
$catID = $category[0]->cat_ID;
$parent = get_category($catID)->parent;
$parentCat = get_category($parent);
$showParent = ($parentCat->cat_ID==""?$catID:$catID.','.$parentCat->cat_ID);
$sirala = $_GET["sirala"];
$categories = get_categories( array ('orderby' => 'count', 'order' => 'desc','parent'=>$catID ) );
$wCat= array($showParent);
foreach($categories as $cat)
{
    $wCat[] = $cat->term_id;
}
$cats = implode(',',$wCat);
$currentCategory = single_cat_title("", false);
$realID = get_cat_ID($currentCategory);
$paged = ( get_query_var( 'paged' ) ) ? get_query_var( 'paged' ) : 1;
?>