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REST API and null values in XML

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REST API and null values in XML

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Tips

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REST, XML, null

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[...]
However this is not supported by the current implementation of XmlResponseFormatter because values are always appended as DOMText. This means that, even is I pass a PHP null value, I get `<elem></elem>`.

Therefore, I have extended XmlResponse Formatter as follows.

Firstly, the function format() must be modified because creating $root as DOMElement makes it immutable while I need to attach the xsi: namespace definition. Therefore I use:




```php
[...]
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Version: 2.0
Category: Tips
Tags: null, REST, XML
Written by: marko60
Last updated by: marko60
Created on: Nov 10, 2016
Last updated: 7 years ago
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