On Tue, Jun 17, 2003 at 10:24:46AM -0400, Ilia A. wrote: > The old check has a problem, because $b & $c are write only copies *src_entry > == *dest_entry condition is met and the function incorrectly terminates > claiming a circular reference. We cannot use is_ref field to verify > references since that field is always 0 no matter what. So, we rely on an > interesting property of refcount, which causes refcount to be odd when we > have a reference and even we simply have a write only copy. Golly, that sounds like a swell thing to document alongside of the code.
-- Jon Parise ([EMAIL PROTECTED]) :: The PHP Project (http://www.php.net/) -- PHP CVS Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
