PHP String to Valid XML file

Question

I have a problem converting my string which has a structure of XML into a proper XML file.

My String looks like:

<product>
  <ID>12345</ID>
  <NAME></NAME>
</product>
<product>
  <ID>123</ID>
  <NAME></NAME>
</product>

And so on. The problem is that I get empty result if I use DOM.

$dom = new DomDocument('1.0', 'UTF-8');
$dom->loadXML($products);
$xml = $dom->saveXML($dom);

Output is:

string(39) "<?xml version="1.0" encoding="UTF-8"?>
"

How can I make this work? Or I just can add the html and root tags to this string and just parse it to the file?

You don't have a root node in your XML.

Code4R7
– Code4R7

2017-05-19 10:22:13 +00:00
Commented May 19, 2017 at 10:22 — Code4R7
– Code4R7, Commented May 19, 2017 at 10:22

OptimusCrime · Accepted Answer · 2017-05-19 10:24:52Z

1

Your XML is not properly formatted. XML requires a root element.

If you change your XML to something like this:

<products>
    <product>
      <ID>12345</ID>
      <NAME></NAME>
    </product>
    <product>
      <ID>123</ID>
      <NAME></NAME>
    </product>
</products>

It should work as expected.

Adjusted code:

<?php
$dom = new DomDocument('1.0', 'UTF-8');
$dom->loadXML('<products>
    <product>
      <ID>12345</ID>
      <NAME></NAME>
    </product>
    <product>
      <ID>123</ID>
      <NAME></NAME>
    </product>
</products>');
echo $dom->saveXML();

Outputs:

<?xml version="1.0"?>
<products>
    <product>
      <ID>12345</ID>
      <NAME/>
    </product>
    <product>
      <ID>123</ID>
      <NAME/>
    </product>
</products>

answered May 19, 2017 at 10:24

OptimusCrime

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