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Enjoy a randomly generated fortune:

$ fortune | cowsay

 ________________________________________
/ Computer, n.:                          \
|                                        |
| An electronic entity which performs    |
| sequences of useful steps in a         |
|                                        |
| totally understandable, rigorously     |
| logical manner. If you believe         |
|                                        |
| this, see me about a bridge I have for |
\ sale in Manhattan.                     /
 ----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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