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Eelco Verbrugge
Eelco Verbrugge

Posted on

PHP SimpleXMLElement

SimpleXMLElement is part of the PHP core. It's an extention that allows us to create or manipulate XML.

I use addChild() to layout my XML, but what if you need to edit or replace an element afterworth? There is no editChild() or replaceChild to accomplish this, nor could you add a position to a new child. There are many ways to solve this, but according to me... This is the way.

1. Generate XML

To start with, lets create some dummy XML:

$xml = newSimpleXMLElement('<request></request>');

$xml->addChild('name', $name);
$xml->addChild('age', $age);
$xml->addChild('gender', $gender);

$result = $xml->asXML();
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This would result in the following output:

<?xml version="1.0"?>
<request>
    <name>John Doe</name>
    <age>50</age>
    <gender>Female</gender>
</request>
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2. Edit or replace XML nodes/elements

Now if I would like to change the gender from Female to Male, I would edit or replace the value:

$xml->gender[0] = 'Male';

$result = $xml->asXML();
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Output:

<?xml version="1.0"?>
<request>
    <name>John Doe</name>
    <age>50</age>
    <gender>Male</gender>
</request>
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That's all folks~

Source: https://coderedirect.com/questions/154676/edit-xml-with-simplexml

Top comments (1)

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syedumairaali profile image
Syed Umair Ali • Edited on

You can edit with simplexml

$input = <<<end
<?xml version='1.0' standalone='yes'?>
<documents>
  <document>
    <name>spec.doc</name>
  </document>
</documents>
end;

$xml = new simplexmlelement($input);
$xml->document[0]->name = 'spec.pdf';
$output = $xml->asxml();
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Source: Edit Xml With Simplexml

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