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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/ ======================================= \
| ================================ || ||  |
| || The FORTUNE-COOKIE program is soon   |
| to be a Major Motion Picture! || ||     |
| Watch for it at a theater near you next |
| summer! || || ||                        |
| ======================================= |
| ================================        |
|                                         |
| Francis Ford Coppola presents a George  |
| Lucas Production:                       |
|                                         |
| "Fortune Cookie"                        |
|                                         |
| Directed by Steven Spielberg.           |
|                                         |
| Starring Harrison Ford Bette Midler     |
| Marlon Brando                           |
|                                         |
| Christopher Reeves Marilyn Chambers     |
|                                         |
| and Bob Hope as "The Waiter".           |
|                                         |
| Costumes Designed by Pierre Cardin.     |
|                                         |
| Special Effects by Timothy Leary.       |
|                                         |
| Read the Warner paperback!              |
|                                         |
| Invoke the Unix program!                |
|                                         |
| Soundtrack on XTC Records.              |
|                                         |
| In 70mm and Dolby Stereo at selected    |
| theaters and terminal                   |
|                                         |
\ centers.                                /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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