global $product;
$sale_price = $product->get_price(); 

/**
* Get the discount price of a product
* @param $sale_price float|integer
* @param $product object[wc_get_product($product_id))]|integer
* @return float|integer
*/
$sale_price = apply_filters('advanced_woo_discount_rules_get_product_discount_price', $sale_price, $product);

global $product; 
$sale_price = $product->get_price();
$quantity = 2;

/**
* Get the discount price of a product based on quantity
* @param $sale_price float|integer
* @param $product object[wc_get_product($product_id))]|integer
* @param $quantity integer
* @return float|integer
*/
$sale_price = apply_filters('advanced_woo_discount_rules_get_product_discount_price', $sale_price, $product, $quantity);

global $product;
$sale_price = $product->get_price();
$quantity = 2;
$custom_price = 100;

/**
* Get the discount price of a product based on quantity with custom price
* @param $sale_price float|integer
* @param $product object[wc_get_product($product_id))]|integer
* @param $quantity integer
* @param $custom_price float|integer
* @return float|integer
*/
$sale_price = apply_filters('advanced_woo_discount_rules_get_product_discount_price', $sale_price, $product, $quantity, $custom_price);

/**
* Get the discount details of a product
* @param false
* @param $product object[wc_get_product($product_id))]|integer
* @param $quantity integer [optional]
* @param $custom_price float|integer [optional]
* @return array|false - Returns false if there is no discount
*/
$discount_details = apply_filters('advanced_woo_discount_rules_get_product_discount_details', false, $product);
if ($discount_details !== false) {
    print_r($discount_details); // here you can get discount details
}

/**
* Get the discount percentage of a product
* @param 0
* @param $product object[wc_get_product($product_id))]|integer
* @return float|int - Returns 0 if there is no discount
*/
$discount_percentage = apply_filters('advanced_woo_discount_rules_get_product_discount_percentage', 0, $product);
if ($discount_percentage > 0) {
    echo $discount_percentage; // here you can get discount percentage
}

/**
* Get save amount of a product
* @param 0
* @param $product object[wc_get_product($product_id))]|integer
* @return float|int - Returns 0 if there is no discount
*/
$save_amount = apply_filters('advanced_woo_discount_rules_get_product_save_amount', 0, $product);
if ($save_amount > 0) {
    echo $save_amount; // here you can get save amount
}

/**
* Get discount price of a cart item
* @param false
* @param $cart_item array [cart item from the cart] | string [An identifier for the item (cart item key or line item ID)]
* @return float|int|boolean - Returns false if there is no discount
*/
$discount_price = apply_filters('advanced_woo_discount_rules_get_cart_item_discount_price', false, $cart_item);
if ($discount_price !== false) {
    echo $discount_price; // here you can get discount price
}

/**
* Get discount details of a cart item
* @param false
* @param $cart_item array [cart item from the cart] | string [An identifier for the item (cart item key or line item ID)]
* @return array|boolean - Returns false if there is no discount
*/
$discount_details = apply_filters('advanced_woo_discount_rules_get_cart_item_discount_details', false, $cart_item);
if ($discount_details !== false) {
    print_r($discount_details); // here you can get discount details
}

/**
* Get save amount of a cart item
* @param 0
* @param $cart_item array [cart item from the cart] | string [An identifier for the item (cart item key or line item ID)]
* @return float|int - Returns 0 if there is no discount
*/
$save_amount = apply_filters('advanced_woo_discount_rules_get_cart_item_saved_amount', 0, $cart_item);
if ($save_amount > 0) {
    echo $save_amount; // here you can get save amount
}

/**
* Get discount price of an order item
* @param false
* @param $order_item array [order item from the order] | integer [order item ID]
* @return float|int|boolean - Returns false if there is no discount
*/
$discount_price = apply_filters('advanced_woo_discount_rules_get_order_item_discount_price', false, $order_item);
if ($discount_price !== false) {
    echo $discount_price; // here you can get discount price
}

/**
* Get discount details of an order item
* @param false
* @param $order_item array [order item from the order] | integer [order item ID]
* @return array|boolean - Returns false if there is no discount
*/
$discount_details = apply_filters('advanced_woo_discount_rules_get_order_item_discount_details', false, $order_item);
if ($discount_details !== false) {
    print_r($discount_details); // here you can get discount details
}

/**
* Get save amount of an order item
* @param 0
* @param $order_item array [order item from the order] | integer [order item ID]
* @return float|int - Returns 0 if there is no discount
*/
$save_amount = apply_filters('advanced_woo_discount_rules_get_order_item_saved_amount', 0, $order_item);
if ($save_amount > 0) {
    echo $save_amount; // here you can get save amount
}

/**
* Get discount details of an order
* @param false
* @param $order object [WC_Order] | integer [order ID]
* @return array|boolean - Returns false if there is no discount
*/
$discount_details = apply_filters('advanced_woo_discount_rules_get_order_discount_details', false, $order);
if ($discount_details !== false) {
    print_r($discount_details); // here you can get discount details
}

/**
* Get saved amount of an order
* @param 0
* @param $order object [WC_Order] | integer [order ID]
* @return float|int - Returns 0 if there is no discount
*/
$save_amount = apply_filters('advanced_woo_discount_rules_get_order_saved_amount', 0, $order);
if ($save_amount > 0) {
    echo $save_amount; // here you can get save amount
}