PHP function to randomize a file name

I made the function for a web project I was working on, but then didn’t end up using it. All it does is take the given file name, check the file-type and then create a random string as the new file name while keeping the file-type intact. If there is no file-type (ie the file name given is just the name, the function will just return a random string as a new file name

function randomizeFileName( $real_file_name ) {     
        $name_parts = @explode( ".", $real_file_name );     
        $ext = "";     
        if ( count( $name_parts ) > 0 ) {         
                $ext = "." . $name_parts[count( $name_parts ) - 1];     
        }     
        return substr(md5(uniqid(rand(),1)), -16) .$ext;
}

Not much more to say about it really.

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About Cameron
I'm a final year Computer Science/Information Systems major. Already finished my BA in Politics/Philosophy. I do web and software freelance on the side, while I finish studying. Hoping to be self-employed by the end of my degree, otherwise off into the real-world I go....

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