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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/ We the Users, in order to form a more   \
| perfect system, establish priorities,   |
| ensure connective tranquility, provide  |
| for common repairs, promote preventive  |
| maintenance, and secure the blessings   |
| of liberty for ourselves and our        |
| processes, do ordain and establish this |
| Software of The Unixed States of        |
\ America.                                /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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