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Asked: 2026-06-16T22:33:37+00:00

I am using SimpleXML to write to my XML file on my Apache Server.

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I am using SimpleXML to write to my XML file on my Apache Server. Here is my PHP code:

<?php
  $xmlFile = 'http://localhost/database.xml';
  //$xml = new SimpleXMLElement($xmlFile, NULL, TRUE);
  $xml = simplexml_load_file($xmlFile);
  $xml->addChild("User", "TestUser2");
  file_put_contents($xmlFile, $xml->asXML());
?>

My XML file code:

<Usernames>
  <User>TestUser1</User>
</Usernames>

The problem I am having is that SimpleXML WILL NOT write to my XML file. I have tried many different methods ($xml->asXML($xmlFile), DOMDocument ... ->save) and none of them are working. I changed the permissions on my file and STILL I cannot write to it:

Permissions

I have spent hours today trying to get this to work with no success. If anyone has any type of solution it would be great to hear.

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1 Answer

  1. Editorial Team

    When you write the contents to the file, you should pass a system filepath as the first variable, your $xmlFile variable is a URL. Change this to the local file name and it should save.

    Based on your comments, the following should work

    <?php
  $xmlFile = 'http://localhost/database.xml';
  $xml = simplexml_load_file($xmlFile);
  $xml->addChild("User", "TestUser2");
  file_put_contents('/Applications/MAMP/htdocs/DataBase/database.xml', $xml->asXML());

    But, I would double check the $xmlFile URL – from what you have said, your local URL could be http://localhost/DataBase/database.xml – you should check that you can open your XML file in Safari using the $xmlFile URL.

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