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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/ Feel free to contact me (flames about   \
| my english and the useless of this      |
| driver will be redirected to /dev/null, |
| oh no, it's full...). (Michael Beck,    |
\ describing the PC-speaker sound device) /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

$output = shell_exec("/usr/games/fortune | /usr/games/cowsay");
echo $output;