I've got a fairly complex XML document, where I need to remove specific nodes with PHP / SimpleXML. I don't know for sure the depth where I will find them in the document.
It works as follows: The user inserts a few IDs of elements which I need to delete. (these IDs refer to an attribute.) Here's a simplified exemplary XML File:
<?xml version="1.0"?> <root> <firstlayer> <secondlayer> <thirdlayer> <element id="1"/> <element id="2"/> <element id="3"/> </thirdlayer> <thirdlayer> <element id="4"/> <element id="5"/> </thirdlayer> </secondlayer> </firstlayer> </root> I don't know where the elements are going to be when I have to delete them, so I wrote a recursive function which traverses the XML document:
function traverseNodes($node) { foreach($node->children() as $child) { if($child->getName()=="element") { // Code for finding out if node has to be deleted if(deleteMe) { $dom = dom_import_simplexml($child); $dom->parentNode->removeChild($dom); } else { traverseNodes($child); // visit the children } } else { // do some other stuff with the rest of the nodes // and recursively call the function } } } This function starts at the root node and visits all the children. When it encounters a node which has to be deleted, it removes it by using the DOM-structure...but here is the problem: It only removes the first sibling of a parent node. So when I want to delete the elements 1, 3 and 5 from the previous XML document, it will only remove 1 and 5 (for they are the first ones to be deleted in the respective parent element.
I'm not sure what the problem is. I already thought about destroying the $child object, so the foreach-loop can't continue, but it's the very same before and after the two lines
$dom = dom_import_simplexml($child); $dom->parentNode->removeChild($dom); I'd be really grateful about any ideas...
