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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/ Albert Camus wrote that the only        \
| serious question is whether to kill     |
| yourself or not. Tom Robbins wrote that |
| the only serious question is whether    |
| time has a beginning and an end. Camus  |
| clearly got up on the wrong side of     |
| bed, and Robbins must have forgotten to |
| set the alarm.                          |
|                                         |
\ -- Tom Robbins                          /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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