Keep using addMethods() as fallback for older versions of PHPUnit

Author: crocodele

classes/PHPMock.php

@@ -66,8 +66,13 @@ public function getFunctionMock($namespace, $name)
         $delegateBuilder->build($name);
 
         $builder = $this->getMockBuilder($delegateBuilder->getFullyQualifiedClassName());
+
+        // onlyMethods() and addMethods() were introduced in PHPUnit 8.3, addMethods() was deprecated in PHPUnit 11 and
+        // removed in PHPUnit 12
         if (is_callable([$builder, 'onlyMethods'])) {
             $builder->onlyMethods(['delegate', $name]);
+        } elseif (is_callable([$builder, 'addMethods'])) {
+            $builder->addMethods([$name]);
         }
         $mock = $builder->getMock();
         $this->addMatcher($mock, $name);