NeroReflex/Gishiki

<?php

namespace Gishiki\Algorithms;

/**
 * Extends the DOMDocument to implement personal (utility) methods.
 * - From: http://www.devexp.eu/2009/04/11/php-domdocument-convert-array-to-xml/
 * - `parent::` See http://www.php.net/manual/en/class.domdocument.php.
 *
 * @throws \DOMException http://www.php.net/manual/en/class.domexception.php
 *
 * @author Toni Van de Voorde
 */
class XmlDomConstructor extends \DOMDocument
{
    /**
     * Constructs elements and texts from an array or string.
     * The array can contain an element's name in the index part
     * and an element's text in the value part.
     *
     * It can also creates an xml with the same element tagName on the same
     * level.
     *
     * ex:
     \verbatim
     <nodes>
     <node>text</node>
     <node>
     <field>hello</field>
     <field>world</field>
     </node>
     </nodes>
     \verbatim
     *
     *
     * Array should then look like:
     \verbatim
     array(
     "nodes" => array(
     "node" => array(
     0 => "text",
     1 => array(
     "field" => array (
     0 => "hello",
     1 => "world",
     ),
     ),
     ),
     ),
     );
     \endverbatim
     *
     * @param array|string $mixed      An array or string
     * @param \DOMElement   $domElement the element from where the array will be construct to
     */
    public function fromMixed($mixed, \DOMElement $domElement = null)
    {
        $domElement = is_null($domElement) ? $this : $domElement;

        if (is_array($mixed)) {
            foreach ($mixed as $index => $mixedElement) {
                if (is_int($index)) {
                    if ($index == 0) {
                        $node = $domElement;
                    } else {
                        $node = $this->createElement($domElement->tagName);
                        $domElement->parentNode->appendChild($node);
                    }
                } else {
                    $node = $this->createElement($index);
                    $domElement->appendChild($node);
                }

                $this->fromMixed($mixedElement, $node);
            }
        } else {
            $domElement->appendChild($this->createTextNode($mixed));
        }
    }
}