✨ Added trait for accessing values of private properties

src/Support/GetPrivatePropertyValue.php

@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+namespace MyParcelCom\Payments\Providers\Support;
+
+use ReflectionClass;
+use ReflectionException;
+
+trait GetPrivatePropertyValue
+{
+    /**
+     * @throws ReflectionException
+     */
+    private function getPrivatePropertyValue(object $object, string $property): mixed
+    {
+        $classReflection = new ReflectionClass($object);
+        $propertyReflection = $classReflection->getProperty($property);
+        /** @noinspection PhpExpressionResultUnusedInspection */
+        $propertyReflection->setAccessible(true);
+
+        return $propertyReflection->getValue($object);
+    }
+}

tests/Support/GetPrivatePropertyValueTest.php

@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Support;
+
+use MyParcelCom\Payments\Providers\Support\GetPrivatePropertyValue;
+use PHPUnit\Framework\TestCase;
+
+use ReflectionException;
+
+use function PHPUnit\Framework\assertSame;
+
+class GetPrivatePropertyValueTest extends TestCase
+{
+    use GetPrivatePropertyValue;
+
+    /**
+     * @throws ReflectionException
+     */
+    public function test_it_gets_private_property_value(): void
+    {
+        $object = new class {
+            private string $property = 'value';
+        };
+
+        assertSame('value', $this->getPrivatePropertyValue($object, 'property'));
+    }
+}