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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/ He who knows nothing, knows nothing.    \
| But he who knows he knows nothing knows |
| something. And he who knows someone     |
| whose friend's wife's brother knows     |
| nothing,                                |
|                                         |
| he knows something. Or something like   |
\ that.                                   /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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