The Zend Framework community is pleased to announce the immediate availability of Zend Framework 2.0.0beta4. Packages and installation instructions are available at:
This is the fourth in a series of planned beta releases. The beta release cycle is following the "gmail" style of betas, whereby new features will be added in each new release, and BC will not be guaranteed; beta releases will happen approximately every six weeks. The desire is for developers to adopt and work with new components as they are shipped, and provide feedback so we can polish the distribution.
Our plan at this time is to have one last beta towards the end of June 2012, and then begin the release candidate process. At this time, the MVC is looking and operating in the way we expect it to for the stable release.
Beta4 was tremendously busy; as I compiled the release notes and looked through the pull requests, I discovered we'd handled more than double the number of pull requests, and did similarly in terms of delivering new features and rewrites. The community did a tremendous amount of work polishing the framework and making it better.
From the release changelog:
- Config component (Enrico Zimuel) - Added reader and writer implementations for JSON and YAML configuration - Crypt and Math (Enrico Zimuel) - Creates a generic API for string and stream en/decryption - Provides bcrypt support - Provides BigInteger support - Provides common methodology surrounding credential encryption and hashing - Db layer (Ralph Schindler) - Zend\Db\Adapter: added buffer() to the ResultInterface, added that feature to Mysqli Result object - Zend\Db\Adapter: added ability to subselect Sqlite for returning a true count() - Zend\Db\Adapter: added API to return helper closures from the Adapter API - Renamed "database" to "schema" in all usages across Zend\Db - Zend\Db\Adapter: Various fixes for PDO connection parameters - Zend\Db\Sql: created a shared AbstractSql implementation to share expression processing - Zend\Db\Sql: created a more robust "Expression" object for use in Select and Predicates - Zend\Db\Sql: created an internal workflow and architecture to handle the creation of platform specific queries - Zend\Db\Sql: implemented limit() and offset() API to Select - Zend\Db\Sql: added having(), order() to SELECT API - Zend\Db\Sql: added alias support to Select::columns() - Zend\Db\TableGateway: reorganized AbstractTableGateway and TableGateway, removed other extensions in favor of "Features" - Zend\Db\TableGateway: created a "Features" API in TableGatway to promote horizontal extension of TableGatway - Di (Ralph Schindler, Marco Pivetta) - Added method injectDependencies($instance), to allow injecting an object after an instance is already available (used in the ServiceManager) - Various fixes based on issue reports - Dojo - REMOVED. Support was for out-dated versions of Dojo, and with the new Form rewrite, it needs to be completely rewritten. This is targetted for post 2.0.0 at this time. - EventManager (Matthew Weier O'Phinney) - New SharedEventManager, a non-static version of the original StaticEventManager - StaticEventManager now extends SharedEventManager and implements a singleton pattern - New ServiceManager creates a shared instance of SharedEventManager and injects it in a non-shared EventManager instance per service; static usage is discouraged at this time. - attachAggregate() now accepts an optional $priority, which, when present, will be passed to the ListenerAggregate, allowing specifying a priority during attachment of its events. - EventManager now can handle arrays of events as well as wildcard events - SharedEventManager now can handle arrays of contexts, wildcard contexts, and arrays/wildcard events. - Form (Matthew Weier O'Phinney, Kyle Spraggs, Guilherme Blanco) - Complete rewrite - Elements compose a name and attributes - Fieldsets compose a name, attributes, and elements and fieldsets - Forms compose a name, attributes, elements, fieldsets, an InputFilter, and optionally a Hydrator and bound object. - New form view helpers accept the Form objects in order to generate markup. - Object binding allows direct binding of model data to and from the Form. - InputFilter (Matthew Weier O'Phinney) - New component for object-oriented creation of input filters - Input objects compose filter and validator chains, as well as metadata such as required, allow empty, break on failure, and more. - InputFilter objects compose Input and InputFilter objects, and allow validating the entire set or specified validation groups. - Log (Enrico Zimuel, Benoit Durand) - Refactored to provide more flexibility - Adds API discoverability (instead of method overloading) - Uses the PluginBroker for loading writers and formatters - Uses PriorityQueue to manage writer priority - Uses FilterChain for filtering messages - Adds a renderer for exceptions, a JSON formatter, and additional interfaces - Mail (Enrico Zimuel) - Allow batch sending via the SMTP transport - ModuleManager (Evan Coury, Matthew Weier O'Phinney) - Renamed from "Module" to "ModuleManager" - Renamed "Consumer" subnamespace to "Feature" - Added new listeners: - OnBootstrapListener (Module classes defining onBootstrap() will have that method attached as a listener on the Application bootstrap event) - LocatorRegistrationListener (Module classes implementing the LocatorRegisteredInterface feature will be injected in the ServiceManager) - ServiceListener (Module classes defining getServiceConfiguration() will have that method called, and the configuration merged; once all modules are loaded, that merged configuration will be passed to the ServiceManager) - MVC (Matthew Weier O'Phinney, Ralph Schindler, Evan Coury) - Removed Bootstrap class and rewrote Application class - Composes a ServiceManager, and simply fires events - Added RouteListener and DispatchListener classes, implementing the default route and dispatch strategies. - Created a new "Service" subnamespace, with ServiceManager configuration and factories for the default MVC services. - Created a new "ViewManager" class, which triggers on the bootstrap event, at which time it creates the various objects of the view layer and wires them together as well as registers them with the appropriate events. - InjectTemplateListener now uses the controller namespace to further namespace the view template; the default is now "<normalized namespace="" top-level="">/<normalized controller="" name="">/<action>" - ServiceManager component (Ralph Schindler, Matthew Weier O'Phinney) - Highly performant, programmatic service creation - Largely replaces DI, but can also consume Zend\Di - Allows: - Service registration - Lazy-loaded service objects - Service factories - Service aliasing - Abstract (fallback) factories - Initializers (manipulate instances after creation) - Fully integrated in the MVC solution - Renamed interfaces (Gabriel Baker, Sascha Prolic, Maks3w) - Most, if not all, interfaces were renamed to suffix with the word "Interface". This is to promote discovery of interfaces, as well as make naming simpler. - Exceptions are affected by this as well. Exception marker interfaces were renamed to ExceptionInterface and pushed into the Exception subnamespace of each component - Composer support (Rob Allen, Marco Pivetta, Kyle Spraggs) - Zend Framework is now installable via Composer (http://packagist.org/), as are each of its individual components - Travis CI integration (Marco Pivetta, Maks3w) - ZF2 is tested on each commit by http://travis-ci.org/ </action></normalized></normalized>
In all, well over 400(!) bug and feature requests were handled since 2.0.0beta2 -- about twice what was handled for beta3, which was in turn twice what we handled for beta2! We've definitely hit some critical momentum and adoption.
Two changes are particularly noteworthy, as they are not so much code changes as infrastructure changes: ZF2 now has Composer support on a per-component basis, and the project now has continuous integration via Travis CI. A number of contributors helped make these initiatives not only possible, but succesful.
The skeleton application and a skeleton module have been updated for 2.0.0beta4, and are a great place to look to help get you started. You may also want to check out the quick start guide to the MVC.
As a reminder, all ZF2 components are also available individually as Pyrus AND composer packages; packages.zendframework.com is our official channel.
I'd like to thank each and every person who has contributed ideas, feedback, pull requests (no pull request is too small!), testing, and more -- I'm constantly amazed at the amount of energy and support the community contributes to the framework!
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