Fix up Reflection.

src/Method/AssociationTableMixinClassReflectionExtension.php

@@ -48,17 +48,23 @@ protected function getTableReflection(): ClassReflection
      */
     public function hasMethod(ClassReflection $classReflection, string $methodName): bool
     {
-        // magic findBy* method
-        if ($classReflection->is(Table::class) && preg_match('/^find(?:\w+)?By/', $methodName) > 0) {
-            return true;
+        // Handle Table classes
+        if ($classReflection->is(Table::class)) {
+            if ($classReflection->hasNativeMethod($methodName)) {
+                return false; // Let the native method be used
+            }
+            // magic findBy* and findAllBy* methods - available on ALL table classes
+            if (preg_match('/^find(All)?By/', $methodName) === 1) {
+                return true;
+            }
         }
 
         if (!$classReflection->is(Association::class)) {
             return false;
         }
 
-        // magic findBy* method on Association
-        if (preg_match('/^find(?:\w+)?By/', $methodName) > 0) {
+        // For associations, provide magic find(All)?By methods
+        if (preg_match('/^find(All)?By/', $methodName) === 1) {
             return true;
         }
 
@@ -72,17 +78,19 @@ public function hasMethod(ClassReflection $classReflection, string $methodName):
      */
     public function getMethod(ClassReflection $classReflection, string $methodName): MethodReflection
     {
-        // magic findBy* method
-        if ($classReflection->is(Table::class) && preg_match('/^find(?:\w+)?By/', $methodName) > 0) {
-            return new TableFindByPropertyMethodReflection($methodName, $classReflection);
+        // Handle Table classes
+        if ($classReflection->is(Table::class)) {
+            if ($classReflection->hasNativeMethod($methodName)) {
+                return $classReflection->getNativeMethod($methodName);
+            }
+            // magic findBy* and findAllBy* methods
+            if (preg_match('/^find(All)?By/', $methodName) === 1) {
+                return new TableFindByPropertyMethodReflection($methodName, $classReflection);
+            }
         }
 
-        // magic findBy* method on Association
-        $associationReflection = $this->reflectionProvider->getClass(Association::class);
-        if (
-            $classReflection->isSubclassOfClass($associationReflection)
-            && preg_match('/^find(?:\w+)?By/', $methodName) > 0
-        ) {
+        // For associations, handle magic find(All)?By methods
+        if (preg_match('/^find(All)?By/', $methodName) === 1) {
             return new TableFindByPropertyMethodReflection($methodName, $this->getTableReflection());
         }
 

src/Method/TableFindByPropertyMethodReflection.php

@@ -210,7 +210,15 @@ public function hasSideEffects(): TrinaryLogic
     protected function getParams(string $method): array
     {
         $method = Inflector::underscore($method);
-        $fields = substr($method, 8);
+        // Extract the part after "find" and before "_by"
+        // Handles: findBy, findAllBy, findOrCreateBy, etc.
+        if (preg_match('/^find(?:_\w+)?_by_(.+)$/', $method, $matches) === 1) {
+            $fields = $matches[1];
+        } else {
+            // Fallback for simple cases
+            $fields = substr($method, 8);
+        }
+
         if (str_contains($fields, '_and_')) {
             return explode('_and_', $fields);
         }

tests/test_app/Model/Table/VeryCustomize00009ArticlesTable.php

@@ -52,6 +52,11 @@ public function fixArticle($article)
         $article = $this->findByTitleAndActive('sample', true)->first();
         $article->set('title', 'sample two');
 
+        // Test actual (non-magic) findOrCreateBySku method with specific signature (issue #55)
+        // When called directly on the table (not through association), PHPStan should use the native method
+        $entityOrCreate = $this->findOrCreateBySku('TEST-SKU', 'Test Value');
+        $entityOrCreate->set('title', 'Updated Title');
+
         return true;
     }
 
@@ -69,4 +74,23 @@ public function newSample()
             ],
         );
     }
+
+    /**
+     * Custom non-magic findOrCreateBySku method with specific signature
+     *
+     * @param string $sku
+     * @param string $foo
+     * @return \Cake\Datasource\EntityInterface
+     */
+    public function findOrCreateBySku(string $sku, string $foo)
+    {
+        /** @var \Cake\ORM\Entity|null $entity */
+        $entity = $this->findBySku($sku)->first();
+        if ($entity === null) {
+            $entity = $this->newEntity(['sku' => $sku, 'foo' => $foo]);
+            $entity = $this->saveOrFail($entity);
+        }
+
+        return $entity;
+    }
 }