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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/ It hangs down from the chandelier       \
| Nobody knows quite what it does Its     |
| color is odd and its shape is weird It  |
| emits a high-sounding buzz              |
|                                         |
| It grows a couple of feet each day and  |
| wriggles with sort of a twitch Nobody   |
| bugs it 'cause it comes from a visiting |
| uncle who's rich!                       |
|                                         |
\ -- To "It Came Upon A Midnight Clear"   /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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