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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/ As I was passing Project MAC, I met a   \
| Quux with seven hacks. Every hack had   |
| seven bugs; Every bug had seven         |
| manifestations; Every manifestation had |
| seven symptoms. Symptoms,               |
| manifestations, bugs, and hacks, How    |
\ many losses at Project MAC?             /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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