On 5/10/07, Jon Baer <[EMAIL PROTECTED]> wrote:
What you're really looking for the is the 'magic' of the bin file.
http://en.wikipedia.org/wiki/Magic_number_%28programming%29
There is a PECL extension for diving into libmagic ...
http://pecl.php.net/package/Fileinfo
In the past, I've made use of the unix file command for this.
csnyder$ file -bi Desktop/DSC01060.jpg
image/jpeg
Command above uses -b for brief, and -i to get the mimetype of the file.
--
Chris Snyder
http://chxo.com/
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