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Enjoy a randomly generated fortune:

$ fortune | cowsay

 ________________________________________
/ Linus: I guess it's wrong always to be \
| worrying about tomorrow. Maybe         |
|                                        |
| we should think only about today.      |
| Charlie Brown:                         |
|                                        |
| No, that's giving up. I'm still hoping |
| that yesterday will get                |
|                                        |
\ better.                                /
 ----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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