Enjoy a randomly generated fortune:
$ fortune | cowsay
_________________________________________
/ In order to discover who you are, first \
| learn who everybody else is; you're |
\ what's left. /
-----------------------------------------
\ ^__^
\ (oo)\_______
(__)\ )\/\
||----w |
|| ||
$output = shell_exec("/usr/games/fortune | /usr/games/cowsay");
echo $output;