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Enjoy a randomly generated fortune:

$ fortune | cowsay

 ________________________________________
/ The reason it's called "Grape Nuts" is \
| that it contains "dextrose", which is  |
| also sometimes called "grape sugar,"   |
| and also because "Grape Nuts" is       |
| catchier, in terms of marketing, than  |
| "A Cross Between Gerbil Food and       |
| Gravel," which is what it tastes like. |
|                                        |
\ -- Dave Barry, "Tips for Writer's"     /
 ----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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