    private function setSize($size)
    {
        if (false === is_int($size)) {
            throw new InvalidArgumentException(
                'Upload file size must be an integer'
            );
        }

        $this->size = $size;
    }
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.