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Enjoy a randomly generated fortune:

$ fortune | cowsay

 ________________________________________
/ Jim, this is Matty down at Ralph's and \
| Mark's. Some guy named Angel Martin    |
| just ran up a fifty buck bar tab. And  |
| now he wants to charge it to you. You  |
| gonna pay it?                          |
|                                        |
\ -- "The Rockford Files"                /
 ----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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