fix dynamic property depracation notice

includes/Framework/PaymentGateway/Payment_Gateway.php

@@ -1616,11 +1616,12 @@ public function get_payment_method_image_url( $type ) {
 	 *
 	 * @since 3.0.0
 	 * @param int|WC_Order_Square $order the order or order ID being processed
-	 * @return \WC_Order object with payment and transaction information attached
+	 * @return WC_Order_Square object with payment and transaction information attached
 	 */
 	public function get_order( $order ) {
 		if ( is_numeric( $order ) ) {
-			$order = new WC_Order_Square( $order );
+			/** @var WC_Order_Square $order */
+			$order = wc_get_order( $order );
 		}
 
 		// set payment total here so it can be modified for later by add-ons like subscriptions which may need to charge an amount different than the get_total()
@@ -1748,7 +1749,8 @@ public function get_capture_handler() {
 	 */
 	public function get_order_for_capture( $order, $amount = null ) {
 		if ( is_numeric( $order ) ) {
-			$order = new WC_Order_Square( $order );
+			/** @var WC_Order_Square $order */
+			$order = wc_get_order( $order );
 		}
 
 		// add capture info
@@ -1998,11 +2000,12 @@ public function maybe_refund_gift_card( $order ) {
 	 * @param \WC_Square_Order|int $order order being processed
 	 * @param float $amount refund amount
 	 * @param string $reason optional refund reason text
-	 * @return \WC_Order|\WP_Error object with refund information attached
+	 * @return WC_Order_Square|\WP_Error object with refund information attached
 	 */
 	protected function get_order_for_refund( $order, $amount, $reason ) {
 		if ( is_numeric( $order ) ) {
-			$order = new WC_Order_Square( $order );
+			/** @var WC_Order_Square $order */
+			$order = wc_get_order( $order );
 		}
 
 		// add refund info

includes/Handlers/Order.php

@@ -98,6 +98,7 @@ public function __construct() {
 		add_action( 'woocommerce_admin_order_data_after_billing_address', array( $this, 'render_admin_missing_billing_details_notice' ) );
 		add_action( 'before_woocommerce_pay_form', array( $this, 'render_missing_billing_details_notice' ), 10, 1 );
 		add_filter( 'woocommerce_order_email_verification_required', array( $this, 'no_verification_on_guest_save' ) );
+		add_filter( 'woocommerce_order_class', array( $this, 'load_custom_order_class' ), 999 );
 	}
 
 	/**
@@ -1052,4 +1053,22 @@ public function no_verification_on_guest_save( $email_verification_required ) {
 
 		return $email_verification_required;
 	}
+
+	/**
+	 * Loads the class `WC_Order_Square` to handle deprecated
+	 * dynamic properties notice for PHP 8.2+.
+	 *
+	 * @since x.x.x
+	 *
+	 * @param string $classname Order classname.
+	 *
+	 * @return string
+	 */
+	public function load_custom_order_class( $classname ) {
+		if ( '\Automattic\WooCommerce\Admin\Overrides\Order' === $classname ) {
+			return '\WooCommerce\Square\WC_Order_Square';
+		} else {
+			return $classname;
+		}
+	}
 }

includes/WC_Order_Square.php

@@ -8,7 +8,9 @@
 
 namespace WooCommerce\Square;
 
-class WC_Order_Square extends \WC_Order {
+use Automattic\WooCommerce\Admin\Overrides\Order;
+
+class WC_Order_Square extends Order {
 	/**
 	 * Holds the Square customer ID.
 	 *
@@ -79,17 +81,4 @@ class WC_Order_Square extends \WC_Order {
 	 * @var object
 	 */
 	public $refund;
-
-	/**
-	 * Wrapper around wc_get_order().
-	 *
-	 * @since 4.3.1
-	 *
-	 * @param mixed $the_order Post object or post ID of the order.
-	 *
-	 * @return bool|WC_Order|WC_Order_Refund|WC_Order_Square
-	 */
-	public static function wc_get_order( $the_order ) {
-		return \wc_get_order( $the_order );
-	}
 }