Enjoy a randomly generated fortune:
$ fortune | cowsay
 ________________________________________
/ We should start referring to processes \
| which run in the background by their   |
| correct technical name... paenguins.   |
|                                        |
| -- Kevin M. Bealer, commenting on the  |
\ penguin Linux logo                     /
 ----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||
$output = shell_exec("/usr/games/fortune | /usr/games/cowsay");
echo $output;