public function testAppendForeignElement()
{
$doc = new DOMDocument();
$dom = new \DOMDocument();
$foo = $doc->createElement('foo');
$doc->appendChild($foo);
$bar = $dom->createElement('bar');
$baz = $dom->createElement('baz');
$doc->appendDomElement($bar, $foo);
$expected = new \DOMDocument();
$expected->loadXML('<foo><bar></bar></foo>');
$this->assertEqualXMLStructure($expected->firstChild, $doc->firstChild);
$expected = new \DOMDocument();
$expected->loadXML('<foo><bar></bar><baz></baz></foo>');
$foo->appendDomElement($baz);
$this->assertEqualXMLStructure($expected->firstChild, $foo);
}
/**
* addCDATASection
*
* @param mixed $content string, SimpleXMLElement, or DOMDocument
* @access public
* @return void
*/
public function addCDATASection($content)
{
switch (true) {
case is_string($content):
break;
case $content instanceof \SimpleXMLElement:
$dom = dom_import_simplexml($content);
$content = $dom->ownerDocument->saveXML($dom->ownerDocument->documentElement);
break;
case $content instanceof \DOMDocument:
$content = $content->saveXML($content->childNodes->item(0));
break;
case $content instanceof \DOMNode:
$dom = new DOMDocument();
$dom->appendChild($content);
$content = $dom->saveXML($dom->childNodes->item(0));
break;
default:
throw new InvalidArgumentException('expected arguement 1 to be String, SimpleXMLElement, DOMNode, or DOMDocument, instead saw ' . gettype($content));
}
$import = dom_import_simplexml($this);
$node = $import->ownerDocument;
$import->appendChild($node->createCDATASection($content));
}