SimpleXMLElement.php

<?php

/*
 * SimpleXMLElement class file
 */
namespace Moneybird;

/**
 * Extension for SimpleXMLElement
 * @author Alexandre FERAUD
 */
class SimpleXMLElement extends \SimpleXMLElement
{

    /**
     * Add CDATA text in a node
     * @param string $cdata_text The CDATA value  to add
     */
    protected function addCData($cdata_text)
    {
        $node = dom_import_simplexml($this);
        $no = $node->ownerDocument;
        $node->appendChild($no->createCDATASection($cdata_text));
    }

    /**
     * Create a child with CDATA value
     * @param string $name The name of the child element to add.
     * @param string $cdata_text The CDATA value of the child element.
     */
    public function addChildCData($name, $cdata_text)
    {
        $child = $this->addChild($name);
        $child->addCData($cdata_text);
    }

    /**
     * Adds a child element to the XML node
     * @param string $name The name of the child element to add.
     * @param string $value [optional] If specified, the value of the child element.
     * @param string $namespace [optional] If specified, the namespace to which the child element belongs.
     * @return SimpleXMLElement The addChild method returns a SimpleXMLElement object representing the child added to the XML node.
     */
    public function addChild($key, $value = null, $namespace = null)
    {
        return parent::addChild($key, htmlspecialchars($value), $namespace);
    }

    /**
     * Add SimpleXMLElement code into a SimpleXMLElement
     * @param SimpleXMLElement $append
     */
    public function appendXML(SimpleXMLElement $append)
    {
        if (strlen(trim((string) $append)) == 0) {
            $xml = $this->addChild($append->getName());
            foreach ($append->children() as $child) {
                $xml->appendXML($child);
            }
        } else {
            $xml = $this->addChild($append->getName(), (string) $append);
        }
        foreach ($append->attributes() as $n => $v) {
            $xml->addAttribute($n, $v);
        }
    }
}