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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/ This is the theory that Jack built.     \
| This is the flaw that lay in the theory |
| that Jack built. This is the palpable   |
| verbal haze that hid the flaw that lay  |
\ in...                                   /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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