api/MarkLogic/MLPHP/Options.php
public function addOption($root, $name, $value)
    {
        if (isset($value)) {
            $elem = $this->dom->createElement($name);
            $elem->nodeValue = $value;
            $root->appendChild($elem);
        }
    }
public function addOption($root, $name, $value)
    {
        if (isset($value)) {
            $elem = $this->dom->createElement($name);
            $elem->nodeValue = $value;
            $root->appendChild($elem);
        }
    }
If an option value is set, create a DOM element with an option name
and value and append it to the root element of the options node.

@param DOMElement $root The root element of the options node.
@param string $name The element name (option name).
@param string $value The node value.