Removing a node from xml file - php

Question

I have an xml file
<?xml version="1.0"?>
<category>
<name>SWEATERS</name>
<name>WATCHES</name>
<name>PANTS</name>
<name>test</name>
<name>1</name>
</category>
How i can remove the node <name>test</name> using xpath ,xquery and php. I used this code
$name='test;
$xmlfile="config/shop_categories.xml";
$xml = simplexml_load_file($xmlfile);
$target = $xml->xpath('/category[name="'.trim($name).'"]');
print_r($target[0]);
if($target == false)
return;
$domRef = dom_import_simplexml($target[0]); //Select position 0 in XPath array
$domRef->parentNode->removeChild($domRef);
$dom = new DOMDocument('1.0');
$dom->preserveWhiteSpace = false;
$dom->formatOutput = true;
$dom->loadXML($xml->asXML());
$dom->save($xmlfile);
But it is not working.

Answer 1

Pretty sure this is a duplicate, but am too lazy to find it. Here you go:
$xml = <<< XML
<?xml version="1.0"?>
<category>
<name>SWEATERS</name>
<name>WATCHES</name>
<name>PANTS</name>
<name>test</name>
<name>1</name>
</category>
XML;
$dom = new DOMDocument;
$dom->loadXML($xml);
$xPath = new DOMXPath($dom);
foreach($xPath->query('//name[text() = "test"]') as $node) {
$node->parentNode->removeChild($node);
}
echo $dom->saveXML();
Output:
<?xml version="1.0"?>
<category>
<name>SWEATERS</name>
<name>WATCHES</name>
<name>PANTS</name>
<name>1</name>
</category>