Streaming XML feeds and simplexml load string parsing error

[Ryan Hungate]

Im using the Guzzle PhpStreamRequestFactory to load an xml file ( dynamically generated on another server ) that occasionally runs into a hiccup when I parse the string into simplexml... the one that happens the most often is :  simplexml_load_string(): parser error : Entity 'nbsp' not defined...

I know that this is a decoding error on the stream but im wondering what Guzzle normally does on this subject to avoid the errors on parsing the XML.. there are a million comments about how to properly load the xml string into simplexml, but i am asking the pros here. :)

[Michael]

When using the PhpStreamRequestFactory, you are only getting little bits of the response body at a time. If you try to pass the data you receive from this into SimpleXML, then you will get parse errors due to the XML being incomplete.

You might need to look into a streaming XML parser like XML Parser (http://us1.php.net/manual/en/ref.xml.php) or XML Reader (http://us1.php.net/manual/en/book.xmlreader.php), though I'm not sure if XML Reader allows you to stream data into its parser.

[Ryan Hungate]

Hey Michael… actually Im letting the entire stream complete before loading the simplexml… if that makes any difference.  I had to do this because we get random huge feed problems with an API that we work with and I needed to verify the byte size to avoid the problem, which is why Im using the StreamFactory…

Thanks

Ryan

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[Michael Dowling]

Gotcha. That makes more sense, but it's strange that the xml is sometimes mangled. Let me know if you come up with anything that needs to be fixed.

Thanks,

Michael

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