Plugin child Wordpress

Question

I want to add the next line to one of files of woocommerce in concrete: wp-content\plugins\woocommerce\templates\archive-product.php

<div class="breadcrumps-header"><?php if ( function_exists( 'yoast_breadcrumb' ) ) {yoast_breadcrumb();} ?></div>

But in the next update of Woocommerce I'll loose the modification. How can I do it to add like plugin chlid?

Answer 1

If you look at that file (https://github.com/woocommerce/woocommerce/blob/v2.2.3/templates/archive-product.php), you'll see a number of different actions you can use depending on where you want that content inserted.

For example, near the top there's this:

    /**
     * woocommerce_before_main_content hook
     *
     * @hooked woocommerce_output_content_wrapper - 10 (outputs opening divs for the content)
     * @hooked woocommerce_breadcrumb - 20
     */
    do_action( 'woocommerce_before_main_content' );

The comment shows that woocommerce's own breadcrumbs are hooked to this action with a priority of 20.

If you wanted your code to appear after this, you should be able to add something like the following to your theme's functions.php (or somewhere else):

add_action('woocommerce_before_main_content', function() { ?>
<div class="breadcrumps-header">
    <?php if ( function_exists( 'yoast_breadcrumb' ) ) {yoast_breadcrumb();} ?>
</div>
<?php });

25 is the priority, ensuring your code will execute after woocommerce's woocommerce_breadcrumb function.

There are lots of other do_actions in that script, so choose the one closest to where you want your code and you should get what you need with a little experimentation.