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Enjoy a randomly generated fortune:

$ fortune | cowsay

 ________________________________________
/ Q: Why shouldn't I simply delete the   \
| stuff I never use, it's just taking up |
|                                        |
| space? A: This question is in the      |
| category of Famous Last Words..        |
|                                        |
| -- From the Frequently Unasked         |
\ Questions                              /
 ----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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