SimpleXML: Selecting Elements Which Have A Certain Attribute Value

Question

In an XML document, I have elements which share the same name, but the value of an attribute defines what type of data it is, and I want to select all of those elements which have a certain value from the document. Do I need to use XPath (and if so, could you suggest the right syntax) or is there a more elegant solution?

Here's some example XML:

<object>
  <data type="me">myname</data>
  <data type="you">yourname</data>
  <data type="me">myothername</data>
</object>

And I want to select the contents of all <data> tags children of <object> who's type is me.

PS - I'm trying to interface with the Netflix API using PHP - this shouldn't matter for my question, but if you want to suggest a good/better way to do so, I'm all ears.

Answer 1

Try this XPath:

/object/data[@type="me"]

So:

$myDataObjects = $simplexml->xpath('/object/data[@type="me"]');

And if object is not the root of your document, use //object/data[@type="me"] instead.