Untitled

<?php
				global $wpdb;
				$cats = $wpdb->get_results("SELECT cat_ID, cat_name, category_nicename FROM $wpdb->categories WHERE category_count > 0 AND  category_parent = 0 AND cat_ID < 13");
				
				$salida = "";
				
				foreach ($cats as $cat) {
				$p =$wpdb->get_row("SELECT * FROM $wpdb->posts AS p, $wpdb->post2cat AS p2c WHERE p2c.post_id = p.ID AND p2c.category_id = ".$cat->cat_ID." ORDER BY xxxxxx DESC LIMIT 0 , 1");
				$salida .= '<a href="'.get_category_link($cat->cat_ID).'" 
				 title="'.wp_specialchars($cat->cat_name).'"><span>'.wp_specialchars($cat->cat_name).'</span>';
				
				}
			echo $salida;
			?>