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Enjoy a randomly generated fortune:

$ fortune | cowsay

 ________________________________________
/ On our campus the UNIX system has      \
| proved to be not only an effective     |
| software tool, but an agent of         |
| technical and social change within the |
| University.                            |
|                                        |
| -- John Lions (University of New South |
\ Wales)                                 /
 ----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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