Copyright © 1997 - 2007 by the PHP Documentation Group.
This material may be distributed only subject to the terms and
conditions set forth in the Open Publication License, v1.0 or
later. A copy of the Open Publication
License is distributed with this manual, the latest version
is presently available at http://www.opencontent.org/openpub/.
Distribution of substantively modified versions of this document
is prohibited without the explicit permission of the copyright
Distribution of the work or derivative of the work in any
standard (paper) book form is prohibited unless prior permission
is obtained from the copyright holder.
In case you are interested in redistribution or republishing of this document
in whole or in part, either modified or unmodified, and you have questions,
please contact the copyright holders at
Note that this address is mapped to a publicly archived mailing list.
The Chapter 46 section of the documentation is based on an
initial contribution by Zend Technologies.