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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _____________________________________
/ Cabbage, n.:                        \
|                                     |
| A familiar kitchen-garden vegetable |
| about as large and wise as          |
|                                     |
| a man's head.                       |
|                                     |
| -- Ambrose Bierce, "The Devil's     |
\ Dictionary"                         /
 -------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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