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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/  "You know, it's at times like this     \
| when I'm trapped in a Vogon airlock     |
| with a man from Betelgeuse and about to |
| die of asphyxiation in deep space that  |
| I really wish I'd listened to what my   |
| mother told me when I was young!"       |
|                                         |
| "Why, what did she tell you?"           |
|                                         |
| "I don't know, I didn't listen."        |
|                                         |
| -- Douglas Adams, "The Hitchhiker's     |
\ Guide to the Galaxy"                    /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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