[CodeQuality] Skip abstract class on CompleteDynamicPropertiesRector (#8182)

Author: TomasVotruba

rules-tests/CodeQuality/Rector/Class_/CompleteDynamicPropertiesRector/Fixture/skip_abstract_class.php.inc

@@ -0,0 +1,11 @@
+<?php
+
+namespace Rector\Tests\CodeQuality\Rector\Class_\CompleteDynamicPropertiesRector\Fixture;
+
+abstract class SkipAbstractClass
+{
+    public function set()
+    {
+        $this->value = 5;
+    }
+}

rules/CodeQuality/Rector/Class_/CompleteDynamicPropertiesRector.php

@@ -114,6 +114,11 @@ private function shouldSkipClass(Class_ $class): bool
             return true;
         }
 
+        // abstract class property might be accessed from child class
+        if ($class->isAbstract()) {
+            return true;
+        }
+
         $className = (string) $this->getName($class);
         if (! $this->reflectionProvider->hasClass($className)) {
             return true;