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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/ Too often people have come to me and    \
| said, "If I had just one wish for       |
| anything in all the world, I would wish |
| for more user-defined equations in the  |
| HP-51820A Waveform Generator Software." |
|                                         |
| -- Instrument News                      |
|                                         |
\ [Once is too often. Ed.]                /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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