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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/ The essential ideas of Algol 68 were    \
| that the whole language should be       |
| precisely defined and that all the      |
| pieces should fit together smoothly.    |
| The basic idea behind Pascal was that   |
| it didn't matter how vague the language |
| specification was (it took *years* to   |
| clarify) or how many rough edges there  |
| were, as long as the CDC Pascal         |
| compiler was fast.                      |
|                                         |
\ -- Richard A. O'Keefe                   /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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