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Enjoy a randomly generated fortune:

$ fortune | cowsay

 ________________________________________
/ Q: How does the Polish Constitution    \
| differ from the American? A: Under the |
| Polish Constitution citizens are       |
| guaranteed freedom of                  |
|                                        |
| speech, but under the United States    |
| constitution they are                  |
|                                        |
| guaranteed freedom after speech.       |
|                                        |
\ -- being told in Poland, 1987          /
 ----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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