* Thus wrote Russell Curtis:
> I'm trying to use the split function to identify the extension of an
> uploaded file:
> 
>    $file_name = $_FILES['userfile']['name'];
>    $pieces = explode(".", $file_name);
>    $file_extension = $pieces[1]; // piece2

You could always use the built in php function pathinfo()

http://php.net/pathinfo


Curt
-- 
First, let me assure you that this is not one of those shady pyramid schemes
you've been hearing about.  No, sir.  Our model is the trapezoid!

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