How do I get woocommerce product listing to show all products in one page?

4 comments

1. Just add the conditional check to your functions.php file:

   if( isset( $_GET['showall'] ) )
   {
       add_filter( 'loop_shop_per_page', create_function( '$cols', 'return -1;' ) );
   }
   else
   {
       add_filter( 'loop_shop_per_page', create_function( '$cols', 'return 12;' ) );
   }
   

2. loop_shop_per_page is the correct filter. If you aren’t seeing any effect, then add a later priority. In my test case my parent theme was filtering loop_shop_per_page so my child theme’s filter wasn’t doing anything.

   add_filter( 'loop_shop_per_page', 'so_31843880_show_all_products', 20 );
   function so_31843880_show_all_products(){
       return -1;
   }
   

   To apply the filter to only product categories you would add some conditional logic:

   add_filter( 'loop_shop_per_page', 'so_show_all_products' );
   function so_31843880_show_all_products($per_page){
       if( is_taxonomy('product_cat') ){
           $per_page = -1;
       }
       return $per_page;
   }
   

3. I corrected and changed the custom code from the above blog post to:

   function shortcode_settori( $atts ) {
               global $woocommerce_loop;
   
               extract( shortcode_atts( array(
                       'per_page' => '24',
                       'columns' => '4',
                       'orderby' => 'title',
                       'order' => 'desc',
                       'settore' => '', // Slugs
                       'operator' => 'IN' // Possible values are 'IN', 'NOT IN', 'AND'.
               ), $atts ) );
               if ( ! $settore ) {
                       return '';
               }
               $paged = (get_query_var('paged')) ? get_query_var('paged') : 1;
               // Default ordering args
               $ordering_args = WC()->query->get_catalog_ordering_args( $orderby, $order );
   
               $args = array(
           'post_type'             => 'product',
           'post_status'           => 'publish',
           'ignore_sticky_posts'   => 1,
           'posts_per_page'        => '999',
           'meta_query'            => array(
               array(
                   'key'           => '_visibility',
                   'value'         => array('catalog', 'visible'),
                   'compare'       => 'IN'
               )
           ),
           'tax_query'             => array(
               array(
                   'taxonomy'      => 'product_cat',
                   'field' => 'term_id', //This is optional, as it defaults to 'term_id'
                   'terms'         => $settore,
                   'operator'      => 'IN' // Possible values are 'IN', 'NOT IN', 'AND'.
               )
           )
               );
               $products = new WP_Query($args);
   
               $woocommerce_loop['columns'] = $columns;
               if ( $products->have_posts() ) : ?>
                       <?php woocommerce_product_loop_start(); ?>
                       <?php while ( $products->have_posts() ) : $products->the_post(); ?>
                               <?php wc_get_template_part( 'content', 'product' ); ?>
                       <?php endwhile; // end of the loop. ?>
                       <?php woocommerce_product_loop_end(); ?>
   
               <?php endif;
               if($products->max_num_pages>1){
               ?>
               <nav class="woocommerce-pagination">
                   <?php
                   echo paginate_links( apply_filters( 'woocommerce_pagination_args', array(
                       'base' => esc_url( str_replace( 999999999, '%#%', remove_query_arg( 'add-to-cart', get_pagenum_link( 999999999, false ) ) ) ),
                       'format' => '',
                       'current' => max( 1, get_query_var( 'paged' ) ),
                       'total' => $products->max_num_pages,
                       'prev_text' => '&larr;',
                       'next_text' => '&rarr;',
                       'type' => 'list',
                       'end_size' => 3,
                       'mid_size' => 3
                       ) ) );
                       ?>
               </nav>
   
       <?php }
       woocommerce_reset_loop();
       wp_reset_postdata();
       echo $return;
       $return = '<div class="woocommerce columns-' . $columns . '">' . ob_get_clean() . '</div>';
       // Remove ordering query arguments
       WC()->query->remove_ordering_args();
   
       return $return;
   }
   
   add_shortcode( 'prodotti_per_settore', 'shortcode_settori' );
   

   And everything works now.

4. Now, in 2019, I just adjust a parameter in a Customize panel by:
   Apperance>Customize>WooCommerce Options>Shop Archive sidebar layout>total products per page
   Then, fill the number I want into that.

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