Automattic / jetpack

	 * @param string $url Full HTML a tag of the link to remove an item from the cart.

	 * @param string $key Unique Key ID for a cart item.

	 */

	public function remove_from_cart_attributes( $url, $key ) {

		if ( false !== strpos( $url, 'data-product_id' ) ) {

			return $url;

		}

		$item    = WC()->cart->get_cart_item( $key );

		$product = $item['data'];

		$new_attributes = sprintf(

			'" data-product_id="%1$s" data-product_sku="%2$s">',

			esc_attr( $product->get_id() ),

			esc_attr( $product->get_sku() )

		);

		$url = str_replace( '">', $new_attributes, $url );

		return $url;

	}

	public function listing_impression() {

		if ( ! Jetpack_Google_Analytics_Options::enhanced_ecommerce_tracking_is_enabled() ) {

	 *

	 * @return mixed.

	 */

	public function remove_from_cart_attributes( $url, $key ) {

		if ( false !== strpos( $url, 'data-product_id' ) ) {

			return $url;

		}

		$item    = WC()->cart->get_cart_item( $key );

		$product = $item['data'];

		$new_attributes = sprintf(

			'" data-product_id="%s">',

			esc_attr( $product->get_id() )

		);

		$url = str_replace( '">', $new_attributes, $url );

		return $url;

	}

	/**

	 * Gather relevant product information