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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/ Retire                                  \
|                                         |
| Fill a cup to its brim and it is easily |
| spilled; Temper a sword to its hardest  |
| and it is easily broken; Amass the      |
| greatest treasure and it is easily      |
| stolen; Claim credit and honour and you |
| easily fall; Retire once your purpose   |
| is achieved - this is natural.          |
|                                         |
\ -- Lao Tse, "Tao Te Ching"              /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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