Call to undefined method ReflectionUnionType::getName() in CConsoleCommand.php about yii HOT 4 CLOSED

if(version_compare(PHP_VERSION,'8.0','>=')) {
    $isArray=$param->getType() && $param->getType()->getName()==='array';
} else {
  $isArray = $param->isArray();
}

    //repleced by
    $isArray = $this->isParameterAnArray($param);
  
    //check whenever given parameter is an array, or not. Supports complex types (intersections, unions) from PHP 8 and above
    private function isParameterAnArray($param): bool
    {
        if (PHP_VERSION_ID < 80000) {
            return $param->isArray();
        }
        foreach ($this->getAllTypes($param) as $complexType) {
            if ($complexType && $complexType->getName() === 'array') {
                return true;
            }
        }
        return false;
    }

    //Get all available types. In case an Intersection (PHP >= 8.1) or Union Type (PHP > 8.0) is used, then give all defined types 
    private function getAllTypes($param): array
    {
        if ((PHP_VERSION_ID >= 81000) && $param->getType() instanceof ReflectionIntersectionType) {
            return $param->getType()->getTypes();
        }
        if ($param->getType() instanceof ReflectionUnionType) {
            return $param->getType()->getTypes();
        }
        return [$param->getType()];
    }