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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _______________________________________
/  /\ SUN of them wants to use you,     \
|                                       |
| \\ \                                  |
|                                       |
| / \ \\ / SUN of them wants to be used |
| by you,                               |
|                                       |
| / / \/ / //\                          |
|                                       |
| \//\ \// / SUN of them wants to abuse |
| you,                                  |
|                                       |
| / / /\ /                              |
|                                       |
| / \\ \ SUN of them wants to be abused |
| ...                                   |
|                                       |
| \ \\                                  |
|                                       |
| \/                                    |
|                                       |
\ -- Eurythmics                         /
 ---------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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