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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/ A prominent broadcaster, on a big-game  \
| safari in Africa, was taken to a        |
| watering hole where the life of the     |
| jungle could be observed. As he looked  |
| down from his tree platform and         |
| described the scene into his tape       |
| recorder, he saw two gnus grazing       |
| peacefully. So preoccupied were they    |
| that they failed to observe the         |
| approach of a pride of lions led by two |
| magnificent specimens, obviously the    |
| leaders. The lions charged, killed the  |
| gnus, and dragged them into the bushes  |
| where their feasting could not be seen. |
| A little while later the two kings of   |
| the jungle emerged and the radioman     |
| recorded on his tape: "Well, that's the |
| end of the gnus and here, once again,   |
\ are the head lions."                    /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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