[xml] I/O problem with PHP

[dnorrell gmx net]

Hi,

I have an application using libxml which makes use of custom I/O input callback functions. Now this all seems to work fine, except that when I try to use my library in PHP5 (I've just written a PHP extension to enable this) the I/O callbacks are failing. Now, I can see that my 'match' and 'open' callbacks are being called by libxml, however the 'read' callback is never read even though the 'open' callback is returning a context. I don't understand how this can happen. Is this likely to be a conflict with libxml in PHP? Has anyone experienced similar problems? Any advice will be much appreciated.

Thanks, David
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