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Enjoy a randomly generated fortune:

$ fortune | cowsay

 ________________________________________
/  The master programmer moves from      \
| program to program without fear. No    |
| change in management can harm him. He  |
| will not be fired, even if the project |
| is canceled. Why is this? He is filled |
| with the Tao.                          |
|                                        |
| -- Geoffrey James, "The Tao of         |
\ Programming"                           /
 ----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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