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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _______________________________________
/ Real Programs don't use shared text.  \
| Otherwise, how can they use functions |
| for scratch space after they are      |
\ finished calling them?                /
 ---------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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