yii\apidoc\models\Context::isSubclassOf PHP Метод

    protected function isSubclassOf($classA, $classB)
    {
        if (is_object($classB)) {
            $classB = $classB->name;
        }
        if ($classA->name == $classB) {
            return true;
        }
        while ($classA->parentClass !== null && isset($this->classes[$classA->parentClass])) {
            $classA = $this->classes[$classA->parentClass];
            if ($classA->name == $classB) {
                return true;
            }
        }
        return false;
    }