XmlDomConstruct.class.php

<?php
/**
 * Extends the DOMDocument to implement personal (utility) methods.
 *
 * @author Toni Van de Voorde
 * http://www.devexp.eu/2009/04/11/php-domdocument-convert-array-to-xml/
 */
class XmlDomConstruct 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:
     * <nodes>
     *   <node>text</node>
     *   <node>
     *     <field>hello</field>
     *     <field>world</field>
     *   </node>
     * </nodes>
     *
     * Array should then look like:
     *
     * Array (
     *   "nodes" => Array (
     *     "node" => Array (
     *       0 => "text"
     *       1 => Array (
     *         "field" => Array (
     *           0 => "hello"
     *           1 => "world"
     *         )
     *       )
     *     )
     *   )
     * )
     *
     * @param mixed $mixed An array or string.
     *
     * @param DOMElement[optional] $domElement Then element
     * from where the array will be construct to.
     *
     */
    public function fromMixed($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));
        }
         
    }
     
}
?>