SimplePie_XML_Declaration_Parser::version_name PHP Method

    function version_name()
    {
        if (substr($this->data, $this->position, 7) === 'version') {
            $this->position += 7;
            $this->skip_whitespace();
            $this->state = 'version_equals';
        } else {
            $this->state = false;
        }
    }