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Enjoy a randomly generated fortune:

$ fortune | cowsay

 ________________________________________
/ (1) Alexander the Great was a great    \
| general. (2) Great generals are        |
| forewarned. (3) Forewarned is          |
| forearmed. (4) Four is an even number. |
| (5) Four is certainly an odd number of |
| arms for a man to have. (6) The only   |
| number that is both even and odd is    |
| infinity.                              |
|                                        |
| Therefore, Alexander the Great had an  |
\ infinite number of arms.               /
 ----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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