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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/ The rules:                              \
|                                         |
| (1) Thou shalt not worship other        |
| computer systems.                       |
|                                         |
| (2) Thou shalt not impersonate Liberace |
| or eat watermelon while                 |
|                                         |
| sitting at the console keyboard.        |
|                                         |
| (3) Thou shalt not slap users on the    |
| face, nor staple their silly            |
|                                         |
| little card decks together.             |
|                                         |
| (4) Thou shalt not get physically       |
| involved with the computer system,      |
|                                         |
| especially if you're already married.   |
|                                         |
| (5) Thou shalt not use magnetic tapes   |
| as frisbees, nor use a disk             |
|                                         |
| pack as a stool to reach another disk   |
| pack.                                   |
|                                         |
| (6) Thou shalt not stare at the         |
| blinking lights for more than one       |
|                                         |
| eight hour shift.                       |
|                                         |
| (7) Thou shalt not tell users that you  |
| accidentally destroyed their            |
|                                         |
| files/backup just to see the look on    |
| their little faces.                     |
|                                         |
| (8) Thou shalt not enjoy cancelling a   |
| job.                                    |
|                                         |
| (9) Thou shalt not display firearms in  |
| the computer room.                      |
|                                         |
| (10) Thou shalt not push buttons "just  |
\ to see what happens".                   /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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