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Welcome to the Zend Framework 2.0.0 Release!

Master: Build Status


Zend Framework 2.0.0rc4

This is the fourth release candidate for 2.0.0. We will be releasing RCs on a weekly basis until we feel all critical issues are addressed. At this time, we anticipate few API changes before the stable release, and recommend testing your production applications against it.

17 August 2012


  • Zend\Db
    • RowGateway: delete() now works; RowGateway objects now no longer duplicates the content internally leading to a larger than necessary memory footprint.
    • Adapter for PDO: fixed such that all calls to rowCount() will always be an integer; also fixed disconnect() from unsetting property
    • Zend\Validator\Db: fixed such that TableIdentifier can be used to promote schema.table identifiers
    • Sql\Select: added reset() API to reset parts of a Select object, also includes updated constants to refer to the parts by
    • Sql\Select and others: Added subselect support in Select, In Expression and the processExpression() abstraction for Zend\Db\Sql
    • Metadata: fixed various incorrect keys when refering to contstraint data in metadata value objects
  • Zend\Filter
    • StringTrim filter now properly handles unicode whitespace
  • Zend\Form
    • FieldsetInterface now defines the methods allowObjectBinding() and allowValueBinding().
    • New interface, FieldsetPrepareAwareInterface. Collection and Fieldset both implement this.
    • Select elements now handle options and validation more consistently with other multi-value elements.
  • Zend\Http
    • SSL options are now propagated to all Socket Adapter subclasses
  • Zend\InputFilter
    • Allows passing ValidatorChain and FilterChain instances to the factory
  • Zend\Log
    • Fixed xml formatter to not display empty extra information
  • Zend\Loader
    • SplAutoloader was renamed to SplAutoloaderInterface (consistency issue)
  • Zend\Mvc
    • params() helper now allows fetching full parameter containers if no arguments are provided to its various methods (consistency issue)
  • Zend\Paginator
    • The DbSelect adapter now works
  • Zend\View
    • ViewModel now allows unsetting variables properly
  • Security
    • Fixed issues in Zend\Dom, Zend\Soap, Zend\Feed, and Zend\XmlRpc with regards to the way libxml2 allows xml entity expansion from DOCTYPE entities when it is provided.

Around 50 pull requests for a variety of features and bugfixes were handled since RC3, as well as almost 30 documentation changes!


Zend Framework 2 requires PHP 5.3.3 or later; we recommend using the latest PHP version whenever possible.


Please see


If you wish to contribute to Zend Framework 2.0, please read both the and file.


Online documentation can be found at Questions that are not addressed in the manual should be directed to the appropriate mailing list:

If you find code in this release behaving in an unexpected manner or contrary to its documented behavior, please create an issue in the Zend Framework issue tracker at:

If you would like to be notified of new releases, you can subscribe to the fw-announce mailing list by sending a blank message to


The files in this archive are released under the Zend Framework license. You can find a copy of this license in LICENSE.txt.


The Zend Framework team would like to thank all the contributors to the Zend Framework project, our corporate sponsor, and you, the Zend Framework user. Please visit us sometime soon at