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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/ understand, v.:                         \
|                                         |
| To reach a point, in your investigation |
| of some subject, at which               |
|                                         |
| you cease to examine what is really     |
| present, and operate on the             |
|                                         |
| basis of your own internal model        |
\ instead.                                /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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