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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/ John the Baptist after poisoning a      \
| thief, Looks up at his hero, the        |
| Commander-in-Chief, Saying tell me      |
| great leader, but please make it brief  |
| Is there a hole for me to get sick in?  |
| The Commander-in-Chief answers him      |
| while chasing a fly, Saying death to    |
| all those who would whimper and cry.    |
| And dropping a barbell he points to the |
| sky, Saying the sun is not yellow, it's |
| chicken.                                |
|                                         |
\ -- Bob Dylan, "Tombstone Blues"         /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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