Customizing 'woocommerce_product_addons_option_price' filter hook for Fabio Tielen

customize_wc_product_addons_option_price.php

<?php

/**
 * Add below function in theme functions.php file
 */
add_filter('woocommerce_product_addons_option_price', 'theme_name_product_addons_show_msrp', 20, 4);

function theme_name_product_addons_show_msrp($html, $option, $idx, $type) {

    // User has chosen not to show MSRP, don't show it
    $msrp_status = get_option('woocommerce_msrp_status');
    if (empty($msrp_status) || 'never' === $msrp_status) {
        return $html;
    }

    // Get the info we need.
    $template = ''; // initialzing template variable with blank value to avoid notices
    if (is_user_logged_in()) { // if user logged in
        $template = __(
                '(%1$s, <span class="woocommerce_msrp">%2$s: <span class="woocommerce_msrp_price">%3$s</span></span>)', 'woocommerce_msrp'
        );
    }
    if ('select' === $type) {
        $template = __(
                '(%1$s, %2$s: %3$s)', 'woocommerce_msrp'
        );
    }
    $raw_price = isset($option['price']) ? $option['price'] : null;
    $raw_msrp = isset($option['msrp']) ? $option['msrp'] : null;
    if (empty($raw_msrp)) {
        return $html;
    }
    $price_html = $option['price'] > 0 ? wc_price(get_product_addon_price_for_display($option['price'])) : '';
    $msrp_description = get_option('woocommerce_msrp_description');
    $msrp_price_html = !empty($option['msrp']) ? wc_price($option['msrp']) : '';

    // Check whether we should show the MSRP, and either return the original markup
    // if not, or the MSRP included markup.
    if ('different' === $msrp_status && $raw_price === $raw_msrp) {
        return $html;
    }
    return sprintf($template, $price_html, $msrp_description, $msrp_price_html);
}