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Enjoy a randomly generated fortune:

$ fortune | cowsay

 ________________________________________
/ Every program has at least one bug and \
| can be shortened by at least one       |
| instruction -- from which, by          |
| induction, one can deduce that every   |
| program can be reduced to one          |
\ instruction which doesn't work.        /
 ----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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