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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/  Damnit. I've got a month to     \
| write a paper. This involves            |
|                                         |
| actually writing the chunks of code I'm |
| going to be talking                     |
|                                         |
| about.  find a bunch of      |
| students and give it to them as an      |
| exercise  asuffield: I'm         |
| surrounded by a bunch of students. Last |
| time I                                  |
|                                         |
| let them touch code, I came back and    |
| found they'd rewritten                  |
|                                         |
| all the C++ code in C and all the C     |
| code in C++  mwahaha  |
\ AND BROKE THE BUILD                     /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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