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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/  but one sort per tab and     \
| none per list is arguably better than   |
|                                         |
| O(n + n**2) per tab and O(n**2) per     |
| list.  OMG, someone shoot me. |
|  ?  I can't        |
| believe I just used the big goose-egg   |
| to explain why my                       |
|                                         |
\ way is probably best in the long run.   /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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