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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/ Seems that a pollster was taking a      \
| worldwide opinion poll. Her question    |
| was, "Excuse me; what's your opinion on |
| the meat shortage?"                     |
|                                         |
| In Texas, the answer was "What's a      |
| shortage?" In Poland, the answer was    |
| "What's meat?" In the Soviet Union, the |
| answer was "What's an opinion?" In New  |
| York City, the answer was "What's       |
\ excuse me?"                             /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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