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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/  apt: !bugs  !bugs are stupid \
|  apt: are stupid? what's that?    |
|  dpkg: i don't know  apt:    |
| Beauty is in the eye of the beer        |
| holder...  i already had it that   |
\ way, dpkg.                              /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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