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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/  The FIELD GUIDE to NORTH AMERICAN      \
| MALES                                   |
|                                         |
| SPECIES: Cranial Males SUBSPECIES: The  |
| Hacker (homo computatis) Plumage:       |
|                                         |
| All clothes have a slightly crumpled    |
| look as though they came off the        |
|                                         |
| top of the laundry basket. Style varies |
| with status. Hacker managers            |
|                                         |
| wear gray polyester slacks, pink or     |
| pastel shirts with wide collars,        |
|                                         |
| and paisley ties; staff wears           |
| cinched-up baggy corduroy pants, white  |
|                                         |
| or blue shirts with button-down         |
| collars, and penholder in pocket.       |
|                                         |
| Both managers and staff wear running    |
| shoes to work, and a black              |
|                                         |
\ plastic digital watch with calculator.  /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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