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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/ Nasrudin was carrying home a piece of   \
| liver and the recipe for liver pie.     |
| Suddenly a bird of prey swooped down    |
| and snatched the piece of meat from his |
| hand. As the bird flew off, Nasrudin    |
| called after it, "Foolish bird! You     |
| have the liver, but what can you do     |
\ with it without the recipe?"            /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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