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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/ It's recently come to Fortune's         \
| attention that scientists have stopped  |
| using laboratory rats in favor of       |
| attorneys. Seems that there are not     |
| only more of them, but you don't get so |
| emotionally attached. The only          |
| difficulty is that it's sometimes       |
| difficult to apply the experimental     |
| results to humans.                      |
|                                         |
| [Also, there are some things even a rat |
\ won't do. Ed.]                          /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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