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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/  "The pyramid is opening!"              \
|                                         |
| "Which one?"                            |
|                                         |
| "The one with the ever-widening hole in |
| it!"                                    |
|                                         |
| -- Firesign Theater, "How Can You Be In |
| Two Places At                           |
|                                         |
\ Once When You're Not Anywhere At All"   /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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