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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/ > Whoa, first contact!                  \
|                                         |
| Nope, 'fraid not, Linux is still        |
| primarily used on planet Earth, I'm     |
| afraid.                                 |
|                                         |
| Our friend here sent a message in       |
| Russian (KOI8-R encoding).              |
|                                         |
| -- Aleksey Kliger, explaining a russian |
\ posting                                 /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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