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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/ As I was going up Punch Card Hill,      \
|                                         |
| Feeling worse and worser, There I met a |
| C.R.T.                                  |
|                                         |
| And it drop't me a cursor.              |
|                                         |
| C.R.T., C.R.T.,                         |
|                                         |
| Phosphors light on you! If I had fifty  |
| hours a day                             |
|                                         |
| I'd spend them all at you.              |
|                                         |
\ -- Uncle Colonel's Cursory Rhymes       /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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