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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/ Science Fiction, Double Feature. Frank  \
| has built and lost his creature.        |
| Darkness has conquered Brad and Janet.  |
| The servants gone to a distant planet.  |
| Wo, oh, oh, oh. At the late night,      |
| double feature, Picture show. I want to |
| go, oh, oh, oh. To the late night,      |
| double feature, Picture show.           |
|                                         |
\ -- Rocky Horror Picture Show            /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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