Capitalize words in Woocomerce product titles

add this in functions.php, save then refresh once your site and then remove the snippet.

          

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          add_action('init', function () {

    $paged = 1;
    $per_page = 100;

    do {
        $query = new WP_Query([
            'post_type'      => 'product',
            'post_status'    => 'publish',
            'posts_per_page' => $per_page,
            'paged'          => $paged,
            'fields'         => 'ids',
        ]);

        foreach ($query->posts as $product_id) {
            $title = get_the_title($product_id);
            $new_title = ucwords(strtolower($title));

            if ($title !== $new_title) {
                wp_update_post([
                    'ID'         => $product_id,
                    'post_title' => $new_title,
                ]);
            }
        }

        $paged++;
    } while ($query->found_posts > ($paged - 1) * $per_page);

});

          

            
              How to use this
            
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