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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/ I cannot overemphasize the importance   \
| of good grammar.                        |
|                                         |
| What a crock. I could easily            |
| overemphasize the importance of good    |
| grammar. For example, I could say: "Bad |
| grammar is the leading cause of slow,   |
| painful death in North America," or     |
| "Without good grammar, the United       |
| States would have lost World War II."   |
|                                         |
| -- Dave Barry, "An Utterly Absurd Look  |
\ at Grammar"                             /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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