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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/ In a minimum-phase system there is an   \
| inextricable link between frequency     |
| response, phase response and transient  |
| response, as they are all merely        |
| transforms of one another. This         |
| combined with minimalization of         |
| open-loop errors in output amplifiers   |
| and correct compensation for non-linear |
| passive crossover network loading can   |
| lead to a significant decrease in       |
| system resolution lost. However, this   |
| all means jack when you listen to Pink  |
\ Floyd.                                  /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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