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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/ This quote is taken from the            \
| Diamondback, the University of Maryland |
| student newspaper, of Tuesday, 3/10/87. |
|                                         |
| One disadvantage of the Univac system   |
| is that it does not use                 |
|                                         |
| Unix, a recently developed program      |
| which translates from one               |
|                                         |
| computer language to another and has a  |
| built-in editing system                 |
|                                         |
| which identifies errors in the original |
\ program.                                /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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