ASTRA_Ext_WooCommerce_Markup::modern_checkout()

		public function modern_checkout() {

			if ( ! defined( 'CARTFLOWS_VER' ) && is_checkout() && ! is_wc_endpoint_url( 'order-received' ) && 'modern' === astra_get_option( 'checkout-layout-type' ) ) {

				// Modern input layout.
				add_filter( 'woocommerce_checkout_fields', array( $this, 'checkout_column_layout_fields' ) );

				// Adds placeholder for modern input.
				add_filter( 'woocommerce_checkout_fields', array( $this, 'label_fields_customization' ), 1000 );

				// Adds payment title before payment section.
				add_action( 'woocommerce_review_order_before_payment', array( $this, 'display_custom_payment_heading' ), 12 );

				if ( ! astra_get_option( 'two-step-checkout' ) ) {

					// Adds collapsible order review for modern layout mobile.
					add_action( 'woocommerce_before_checkout_form', array( $this, 'checkout_collapsible_order_review' ), 8 );

					if ( 'two-column-checkout' === astra_get_option( 'checkout-modern-layout-type' ) ) {
						remove_action( 'woocommerce_checkout_order_review', 'woocommerce_checkout_payment', 20 );

						add_action( 'woocommerce_after_order_notes', 'woocommerce_checkout_payment', 20 );

						add_action( 'woocommerce_checkout_before_order_review_heading', array( $this, 'woocommerce_order_review_start' ) );

						add_action( 'woocommerce_checkout_after_order_review', array( $this, 'woocommerce_order_review_end' ) );
					}

					if ( 'one-column-checkout' === astra_get_option( 'checkout-modern-layout-type' ) ) {
						remove_action( 'woocommerce_checkout_order_review', 'woocommerce_checkout_payment', 20 );

						add_action( 'woocommerce_checkout_after_order_review', 'woocommerce_checkout_payment', 10, 0 );
					}
				}

				// Adds custom email fields.
				add_action( 'woocommerce_checkout_billing', array( $this, 'checkout_billing_email_field' ), 9, 1 );

				// Unset non required fields.
				add_filter( 'woocommerce_checkout_fields', array( $this, 'unset_fields_for_modern_checkout' ), 10, 1 );

				// Remove default register form.
				remove_action( 'woocommerce_before_checkout_form', 'woocommerce_checkout_login_form', 10 );

				if ( astra_get_option( 'checkout-coupon-display' ) ) {
					add_action( 'woocommerce_after_order_notes', array( $this, 'woocommerce_modern_coupon_cart' ) );
				}
			}

			// Update the cart total price to display on button and on the mobile order view section.
			add_filter( 'woocommerce_update_order_review_fragments', array( $this, 'add_updated_cart_price' ), 11, 1 );

			// Adds image for checkout product summary.
			add_filter( 'woocommerce_cart_item_name', array( $this, 'add_cart_product_image' ), 10, 3 );

			// Place order button text with price.
			add_action( 'woocommerce_order_button_text', array( $this, 'checkout_place_order_button_text' ) );

			// Adds class to cart item.
			add_filter( 'woocommerce_cart_item_class', array( $this, 'additional_class_to_cart_item_classes' ), 10, 3 );

		}