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Enjoy a randomly generated fortune:

$ fortune | cowsay

 ________________________________________
/ Everyone who comes in here wants three \
| things:                                |
|                                        |
| (1) They want it quick.                |
|                                        |
| (2) They want it good.                 |
|                                        |
| (3) They want it cheap. I tell 'em to  |
| pick two and call me back.             |
|                                        |
| -- sign on the back wall of a small    |
\ printing company                       /
 ----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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