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Enjoy a randomly generated fortune:

$ fortune | cowsay

 ________________________________________
/ Lucas is the source of many of the     \
| components of the legendarily reliable |
| British automotive electrical systems. |
| Professionals call the company "The    |
| Prince of Darkness". Of course, if     |
| Lucas were to design and manufacture   |
| nuclear weapons, World War III would   |
| never get off the ground. The British  |
| don't like warm beer any more than the |
| Americans do. The British drink warm   |
| beer because they have Lucas           |
\ refrigerators.                         /
 ----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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