Question
This is part of the XML I want to edit
<ScrapBook>
<Event>
<Name> Name of Event <Name>
<Other Elements>
</Event>
<ScrapBook>
I need to modify the Name of the Event.
I am able to delete the node using remove_child. But I dont know how to add another element at the same spot.
This is my code:
public function editEventName($oldEventName, $newEventName){
$xmlDoc = new DOMDocument();
$xmlDoc->load($this->xmlFileName);
$events = $xmlDoc->getElementsByTagName("Event");
foreach($events as $event){
$eventNames = $event->getElementsByTagName("Name");
$eventN = $eventNames->item(0)->nodeValue;
if($oldEventName == $eventN){
$nud = $eventNames->item(0)->parentNode;
$nud->removeChild($eventNames->item(0));
// set name to $newEventName
}
$xmlDoc->saveXML();
$xmlDoc->save($this->xmlFileName);
}
Solution
A solution, if I understand the question correctly, might be to just overwrite the value of $eventNames->item(0)->nodeValue
, without trying to remove the node and add a new one.
For instance, using your code, and modifying a little so it works for that simpler case :
$str = <<<XML
<ScrapBook>
<Event>
<Name> Name of Event </Name>
<Blah>glop glop</Blah>
</Event>
</ScrapBook>
XML;
$xmlDoc = new DOMDocument();
$xmlDoc->loadXml($str);
$events = $xmlDoc->getElementsByTagName("Event");
foreach($events as $event){
$eventNames = $event->getElementsByTagName("Name");
$eventN = $eventNames->item(0)->nodeValue;
if(' Name of Event ' == $eventN){
$eventNames->item(0)->nodeValue = 'New name';
}
}
var_dump($xmlDoc->saveXML());
Will get me :
string '<?xml version="1.0"?>
<ScrapBook>
<Event>
<Name>New name</Name>
<Blah>glop glop</Blah>
</Event>
</ScrapBook>
' (length=119)
And the value of the Name
of the Event
has been replaced by "New name
".
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