how to access an object (simpleXML) variable name using a string?

Posted by significance on Stack Overflow See other posts from Stack Overflow or by significance
Published on 2010-05-08T13:08:25Z Indexed on 2010/05/08 13:18 UTC
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php

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object

i need to access a simplexml object using a string. ie.

$x->a->b = 'obj'; $s = 'a->b'; echo $x->$s;

but it doesn't seem to work...

please help!

:)

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