Reflection > getPropertyValue() method > look for the property in parent classes

CHANGELOG.md

@@ -7,6 +7,7 @@ Common and useful classes, methods, exceptions etc.
 1. Travis CI > run many tasks using Phing > update configuration
 2. Template with placeholders > verification of placeholders without values > make stronger and point out which are 
 missing
+3. Reflection > getPropertyValue() method > look for the property in parent classes
 
 # 1.0.2
 

src/Utilities/Reflection.php

@@ -217,6 +217,27 @@ class Reflection
             } catch (\ReflectionException $exception) {
                 /*
                  * 2nd try:
+                 * Look for the property in parent classes
+                 */
+                if (null === $reflectionProperty) {
+                    $propertyFound = false;
+                    $reflectionProperties = self::getProperties($object, null, true);
+
+                    foreach ($reflectionProperties as $reflectionProperty) {
+                        if ($reflectionProperty->getName() === $property) {
+                            $propertyFound = true;
+                            break;
+                        }
+                    }
+
+                    if ($propertyFound && null !== $reflectionProperty) {
+                        $reflectionProperty->setAccessible(true);
+                        $value = $reflectionProperty->getValue($object);
+                        $reflectionProperty->setAccessible(false);
+                    }
+                } else {
+                    /*
+                     * 3rd try:
                      * Look for the get / has / is methods
                      */
                     $class = new \ReflectionObject($object);
@@ -255,11 +276,11 @@ class Reflection
                         }
                     }
 
-                if (!$valueFound && null !== $reflectionProperty) {
+                    if (!$valueFound) {
                         /*
                          * Oops, value of the property is still unknown
                          *
-                     * 3rd try:
+                         * 4th try:
                          * Let's modify accessibility of the property and try again to get value
                          */
                         $reflectionProperty->setAccessible(true);
@@ -268,6 +289,7 @@ class Reflection
                     }
                 }
             }
+        }
 
         return $value;
     }

tests/Utilities/ReflectionTest.php

@@ -309,6 +309,12 @@ class ReflectionTest extends BaseTestCase
         self::assertEquals($username, Reflection::getPropertyValue($f, 'username'));
     }
 
+    public function testGetPropertyValueFromParentClass(): void
+    {
+        $c = new C();
+        self::assertEquals(1, Reflection::getPropertyValue($c, 'count', true));
+    }
+
     public function testGetPropertyValuesFromEmptySource()
     {
         self::assertEquals([], Reflection::getPropertyValues([], 'something'));