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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _______________________________________
/ Finagle's Third Law:                  \
|                                       |
| In any collection of data, the figure |
| most obviously correct,               |
|                                       |
| beyond all need of checking, is the   |
| mistake                               |
|                                       |
| Corollaries:                          |
|                                       |
| (1) Nobody whom you ask for help will |
| see it.                               |
|                                       |
| (2) The first person who stops by,    |
| whose advice you really               |
|                                       |
| don't want to hear, will see it       |
\ immediately.                          /
 ---------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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