Following is the output SOW produces.
Cruel Collection agency You owe us, pay now! December 01, 1938 Dear Mr. Right Your account 01010101 is past due by many many years. To avoid further harassment, pay the full amount of $0.01 now dammit!
To give the example a little more utility, you can extract the contents of the document into a string, and then use the PHP mail() routine to E-mail it to someone.
... // reap_sow($sow); do not send to standard out // read contents of document $str= duplicate_buffer_sow($sow); // use mail to send it off mail(...);