    public function setActive($flag)
    {
        if (PHP_VERSION_ID >= 50400) {
            throw new \LogicException('This method is disabled in PHP 5.4.0+');
        }

        $this->active = (bool) $flag;
    }
The software constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component.