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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/ Eagleson's Law:                         \
|                                         |
| Any code of your own that you haven't   |
| looked at for six or more               |
|                                         |
| months, might as well have been written |
| by someone else. (Eagleson              |
|                                         |
| is an optimist, the real number is more |
\ like three weeks.)                      /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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