Question 280139 in Wordpress Question posted in
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WordPress – WooCommerce add to cart function for the shop loop item

I’m trying to figure out where these functions are called within the WooCommerce products loop:

function woocommerce_simple_add_to_cart()
function woocommerce_variable_add_to_cart()

These functions load the ‘single-product/add-to-cart/simple.php’ template and the ‘single-product/add-to-cart/variable.php’ template, respectively.

I thought the content-product.php template might call these functions, but this template goes directly from:

do_action( 'woocommerce_after_shop_loop_item_title' );

to

do_action( 'woocommerce_after_shop_loop_item' );

The template for the shop loop item itself must be generated somewhere else in WooCommerce.

Tags:

2

Answers


  1. Chosen as BEST ANSWER
    0

    The simple and variable add_to_cart functions that load the templates:

    'single-product/add-to-cart/simple.php'

    and

    'single-product/add-to-cart/variable.php'

    are called by the 'woocommerce_template_single_add_to_cart' function with a variable in the function name, like this:

    do_action( 'woocommerce_' . $product->get_type() . '_add_to_cart' );

    The 'woocommerce_template_single_add_to_cart' function is hooked to the 'woocommerce_single_product_summary' function which is called in the template file 'content-single-product.php' here:

    <div class="summary entry-summary">
    <?php
    /**
     * Hook: woocommerce_single_product_summary.
     *
     * @hooked woocommerce_template_single_title - 5
     * @hooked woocommerce_template_single_rating - 10
     * @hooked woocommerce_template_single_price - 10
     * @hooked woocommerce_template_single_excerpt - 20
     * @hooked woocommerce_template_single_add_to_cart - 30
     * @hooked woocommerce_template_single_meta - 40
     * @hooked woocommerce_template_single_sharing - 50
     * @hooked WC_Structured_Data::generate_product_data() - 60
     */
    do_action( 'woocommerce_single_product_summary' );
    ?>
</div>

  2. 0

    For WooCommerce products loop, add to cart is called via woocommerce_after_shop_loop_item action hook on content-product.php template file (lines 59 to 65), you have:

        /**
     * Hook: woocommerce_after_shop_loop_item.
     *
     * @hooked woocommerce_template_loop_product_link_close - 5
     * @hooked woocommerce_template_loop_add_to_cart - 10
     */
    do_action( 'woocommerce_after_shop_loop_item' );

    So woocommerce_template_loop_add_to_cart() function is hooked in at priority 10, that is called via includes/wc-template-hooks.php file (line 96):

    add_action( 'woocommerce_after_shop_loop_item', 'woocommerce_template_loop_add_to_cart', 10 );

    Now we can take a look to woocommerce_template_loop_add_to_cart() function itself located on includes/wc-template-hooks.php file (from line 1339 to 1386):

    if ( ! function_exists( 'woocommerce_template_loop_add_to_cart' ) ) {

    /**
     * Get the add to cart template for the loop.
     *
     * @param array $args Arguments.
     */
    function woocommerce_template_loop_add_to_cart( $args = array() ) {
        global $product;

        if ( $product ) {
            $defaults = array(
                'quantity'   => 1,
                'class'      => implode(
                    ' ',
                    array_filter(
                        array(
                            'button',
                            wc_wp_theme_get_element_class_name( 'button' ), // escaped in the template.
                            'product_type_' . $product->get_type(),
                            $product->is_purchasable() && $product->is_in_stock() ? 'add_to_cart_button' : '',
                            $product->supports( 'ajax_add_to_cart' ) && $product->is_purchasable() && $product->is_in_stock() ? 'ajax_add_to_cart' : '',
                        )
                    )
                ),
                'attributes' => array(
                    'data-product_id'  => $product->get_id(),
                    'data-product_sku' => $product->get_sku(),
                    'aria-label'       => $product->add_to_cart_description(),
                    'aria-describedby' => $product->add_to_cart_aria_describedby(),
                    'rel'              => 'nofollow',
                ),
            );

            $args = apply_filters( 'woocommerce_loop_add_to_cart_args', wp_parse_args( $args, $defaults ), $product );

            if ( ! empty( $args['attributes']['aria-describedby'] ) ) {
                $args['attributes']['aria-describedby'] = wp_strip_all_tags( $args['attributes']['aria-describedby'] );
            }

            if ( isset( $args['attributes']['aria-label'] ) ) {
                $args['attributes']['aria-label'] = wp_strip_all_tags( $args['attributes']['aria-label'] );
            }

            wc_get_template( 'loop/add-to-cart.php', $args );
        }
    }
}

    At the end of the function code, you can se that loop/add-to-cart.php template file is called…

    This should answer your question.

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