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Enjoy a randomly generated fortune:

$ fortune | cowsay

 ________________________________________
/ Arrakis teaches the attitude of the    \
| knife - chopping off what's incomplete |
| and saying: "Now it's complete because |
| it's ended here."                      |
|                                        |
\ -- Muad'dib, "Dune"                    /
 ----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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