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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/ George Bernard Shaw once sent two       \
| tickets to the opening night of one of  |
| his plays to Winston Churchill with the |
| following note:                         |
|                                         |
| "Bring a friend, if you have one."      |
|                                         |
| Churchill wrote back, returning the two |
| tickets and excused himself as he had a |
| previous engagement. He also attached   |
| the following:                          |
|                                         |
| "Please send me two tickets for the     |
\ next night, if there is one."           /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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