php remove all node in file xml

Question

I would like to remove all unnecessary nodes from a string

input file:

$data="<root>
  <president>
    <handle>0001</handle>
    <title>my title1</title>
    <body_html_>my description 1</body_html_>
    <vendor></vendor>
  </president>
  <president>
    <handle>0002</handle>
    <title>my title 2</title>
    <body_html_>my description 2</body_html_>
    <vendor></vendor>
  </president>
</root>";

I would like to remove all the nodes handle and vendor

i test

$doc = new SimpleXMLElement($data);
$segarr1 = $doc->President;
$segarr = $segarr1->title;

unset ($segarr[0]);


echo $doc->asXml();

delete only the first element

Felippe Duarte · Accepted Answer · 2020-04-13 18:19:27Z

2

You need to iterate the children:

$doc = new SimpleXMLElement($data);

foreach($doc->children() as $segarr1) {
    unset($segarr1->title);
}

echo $doc->asXml();

If you have different children than president then you need to check:

if($segarr1->getName() == 'president') {
    unset($segarr1->title);
}

answered Apr 13, 2020 at 18:19

Felippe Duarte

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