How Can I Programmatically Change Product Prices in WooCommerce 3 ?

Change Product Prices Via a Hook in WooCommerce 3

The WooCommerce platform provides various hooks to modify product prices. While the solution presented using add_filter('woocommerce_get_regular_price') and add_filter('woocommerce_get_price') works for simple products, it encounters limitations when it comes to variation products.

Variation Product Pricing

To adjust variation product prices, the following updated hooks are recommended:

• Simple, Grouped, and External Products:

  • woocommerce_product_get_price
  • woocommerce_product_get_regular_price

• Variations:

  • woocommerce_product_variation_get_regular_price
  • woocommerce_product_variation_get_price

• Variable Product Range:

  • woocommerce_variation_prices_price
  • woocommerce_variation_prices_regular_price

Plugin Implementation

To implement these hooks within a plugin, consider the following:

add_filter('woocommerce_product_get_price', 'custom_price', 99, 2);
add_filter('woocommerce_product_get_regular_price', 'custom_price', 99, 2);

add_filter('woocommerce_product_variation_get_regular_price', 'custom_price', 99, 2);
add_filter('woocommerce_product_variation_get_price', 'custom_price', 99, 2);

add_filter('woocommerce_variation_prices_price', 'custom_variable_price', 99, 3);
add_filter('woocommerce_variation_prices_regular_price', 'custom_variable_price', 99, 3);

function custom_price($price, $product) {
    $multiplier = 2; // Adjust as needed
    return (float) $price * $multiplier;
}

function custom_variable_price($price, $variation, $product) {
    $multiplier = 2; // Adjust as needed
    return (float) $price * $multiplier;
}

Theme Implementation

If you prefer a theme-based approach, include the following code in your functions.php file:

add_filter('woocommerce_product_get_price', 'custom_price', 99, 2);
add_filter('woocommerce_product_get_regular_price', 'custom_price', 99, 2);

add_filter('woocommerce_product_variation_get_regular_price', 'custom_price', 99, 2);
add_filter('woocommerce_product_variation_get_price', 'custom_price', 99, 2);

add_filter('woocommerce_variation_prices_price', 'custom_variable_price', 99, 3);
add_filter('woocommerce_variation_prices_regular_price', 'custom_variable_price', 99, 3);

function custom_price($price, $product) {
    $multiplier = 2; // Adjust as needed
    return (float) $price * $multiplier;
}

function custom_variable_price($price, $variation, $product) {
    $multiplier = 2; // Adjust as needed
    return (float) $price * $multiplier;
}

Additional Notes and Enhancements

• Pricing Widget: For manipulation of price filter widget minimum and maximum values, consider using the following hooks: woocommerce_price_filter_widget_min_amount and woocommerce_price_filter_widget_max_amount.
• Product Sale Pricing: Specific hooks exist for sale prices: woocommerce_product_get_sale_price, woocommerce_variation_prices_sale_price, and woocommerce_product_variation_get_sale_price.
• Price Caching: Cached variation prices in WooCommerce 3 must be considered. The add_filter('woocommerce_get_variation_prices_hash') filter is recommended to efficiently handle price caching.

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