public static function get_variation() {
		ob_start();

		// phpcs:disable WordPress.Security.NonceVerification.Missing
		if ( empty( $_POST['product_id'] ) ) {
			wp_die();
		}

		$variable_product = wc_get_product( absint( $_POST['product_id'] ) );

		if ( ! $variable_product ) {
			wp_die();
		}

		$data_store   = WC_Data_Store::load( 'product' );
		$variation_id = $data_store->find_matching_product_variation( $variable_product, wp_unslash( $_POST ) );
		$variation    = $variation_id ? $variable_product->get_available_variation( $variation_id ) : false;
		wp_send_json( $variation );
		// phpcs:enable
	}