Find File Extension
$ext = array_pop(explode(".",$filename));
$ext = strrchr($filename, ".");
Above are two separate ways to find the extension of a file in PHP, use one or the other. (I believe the second is a fraction of a second faster.)
Be aware that, in validating file types, extensions should not be relied upon as they are easily forged.
Category: PHP
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Added: 03rd December 07 by Jem
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