Code-Snippets-Functions/Execute a function on a child site/WooCommerce/adding-custom-multiple-text-by-category.txt

add_action( 'woocommerce_single_product_summary', 'custom_single_product_summary', 2 );
function custom_single_product_summary(){
    global $product;

    remove_action( 'woocommerce_single_product_summary', 'woocommerce_template_single_excerpt', 20 );
    add_action( 'woocommerce_single_product_summary', 'custom_single_excerpt', 20 );
}

function custom_single_excerpt(){
    global $post, $product;

    $short_description = apply_filters( 'woocommerce_short_description', $post->post_excerpt );

    if ( ! $short_description )
        return;

    // For "toons" category
    if ( has_term( array('toons'), 'product_cat', $product->get_id() ) ) {
        $custom_text = __('A custom text for "Toons" category');
    } 
    // For "people" category
    elseif ( has_term( array('people'), 'product_cat', $product->get_id() ) ) {
        $custom_text = __('A different custom text for "People" category');
    } 
    // For All other categories (or no categories)
    else {
        $custom_text = __('A custom text for All other categories (or no categories)');
    }
 
    echo '<div class="woocommerce-product-details__short-description">' . 
        $short_description // WPCS: XSS ok.
        . '<div class="custom-text">' . $custom_text // WPCS: XSS ok.
        . '</div>
    </div>';
}