Enjoy a randomly generated fortune:
$ fortune | cowsay
_________________________________________
/ An Ada exception is when a routine gets \
| in trouble and says 'Beam me up, |
\ Scotty'. /
-----------------------------------------
\ ^__^
\ (oo)\_______
(__)\ )\/\
||----w |
|| ||
$output = shell_exec("/usr/games/fortune | /usr/games/cowsay");
echo $output;