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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/ Well, I don't know where they come from \
| but they sure do come, I hope they      |
| comin' for me! And I don't know how     |
| they do it but they sure do it good, I  |
| hope they doin' it for free! They give  |
| me cat scratch fever... cat scratch     |
| fever! First time that I got it I was   |
| just ten years old, Got it from the     |
| kitty next door... I went to see the    |
| doctor and he gave me the cure, I think |
| I got it some more! Got a bad scratch   |
| fever...                                |
|                                         |
\ -- Ted Nugent, "Cat Scratch Fever"      /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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