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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/ Chapter 2: Newtonian Growth and Decay   \
|                                         |
| The growth-decay formulas were          |
| developed in the trivial fashion by     |
| Isaac Newton's famous brother Phigg.    |
| His idea was to provide an equation     |
| that would describe a quantity that     |
| would dwindle and dwindle, but never    |
| quite reach zero. Historically, he was  |
| merely trying to work out his mortgage. |
| Another versatile equation also         |
| emerged, one which would define a       |
| function that would continue to grow,   |
| but never reach unity. This equation    |
| can be applied to charging capacitors,  |
| over-damped springs, and the human race |
\ in general.                             /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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