Code lấy ra bộ lọc của Woo

get_order.php

<ul>		
		<li class="gia_khac">Sắp xếp <i class="icon-angle-down"></i>		
		<ul class="dropdown woocommerce-ordering">
			<?php
			    $catalog_orderby = apply_filters( 'woocommerce_catalog_orderby', array(
			        'menu_order' => __( 'Default sorting', 'woocommerce' ),

			    'popularity' => __( 'Sort by popularity', 'woocommerce' ),

			    'rating'     => __( 'Sort by average rating', 'woocommerce' ),

			    'date'       => __( 'Sort by newness', 'woocommerce' ),

			    'price'      => __( 'Sort by price: low to high', 'woocommerce' ),

			    'price-desc' => __( 'Sort by price: high to low', 'woocommerce' )
			) );

			if ( get_option( 'woocommerce_enable_review_rating' ) == 'no' )
			    unset( $catalog_orderby['rating'] );

			foreach ( $catalog_orderby as $id => $name )
			    echo '<li><a href="' . '?orderby=' . $id . '" >' . esc_attr( $name ) . '</a></li>';
			?>

			</ul>
			</li>
			</ul>