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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/ ... C++ offers even more flexible       \
| control over the visibility of member   |
| objects and member functions.           |
| Specifically, members may be placed in  |
| the public, private, or protected parts |
| of a class. Members declared in the     |
| public parts are visible to all         |
| clients; members declared in the        |
| private parts are fully encapsulated;   |
| and members declared in the protected   |
| parts are visible only to the class     |
| itself and its subclasses. C++ also     |
| supports the notion of                  |
| *_______friends*: cooperative                  |
| classes that are permitted to see each  |
| other's private parts.                  |
|                                         |
| -- Grady Booch, "Object Oriented Design |
\ with Applications"                      /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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