The CakePHP core team is very excited to announce the first development
preview of CakePHP 3.0[1]. The team has been hard at work for the while,
and we're very excited and pleased with the progress we've made so far. Our
goal with development preview releases like this is to gather early
feedback about the changes coming in CakePHP 3.0. While a number of things
will be changing in CakePHP 3.0, our focus for this release has been the
ORM.
The Model layer in CakePHP has served the community very well for the past
8 years, but it has started to show its age. One of the goals of CakePHP
3.0 is to replace the ageing ORM with a more modern object-orientated
implementation. This development preview has the underpinnings of the new
ORM. The ORM has many of the features/methods you can expect in future 3.0
release, albeit with a few rough spots.
CakePHP 3.0 represents a significant break in backwards compatibility. One
of the largest the project has ever had. We're trying to modify existing
methods and classes only where it's required. However, modernizing the ORM
has caused a significant ripple effect to other parts of the framework. You
can expect fairly significant changes in everything that touches the
ORM/Models as we've started over and built what we will become a great ORM.
## Still a preview
We'd like to remind you that this is a development preview release. Many
features are incomplete or missing. For example, the `TreeBehavior` and
`TranslateBehavior` do not yet have 3.x versions. This release is **not**
intended for production use, and should be considered alpha software. We
are hoping that by releasing preview releases we can get feedback from you
- the community - about CakePHP 3.0. The following features are known to be
incomplete or broken. We will not be accepting any bug reports on these
features at this time:
* `Console/cake bake` does not work at this time.
* FormHelper does not work with the new ORM yet.
* SchemaShell has been removed.
* Scaffold has been removed.
* Many behaviors have been removed or are not working.
* AclComponent is not working with DbAcl.
In addition to incomplete subsystems, many subsystems have had breaking API
changes made to them. We recommend you checkout the migration guide[2] for
more detail on which methods/classes have been changed.
### Other improvements
In addition to the ORM we've improved other parts of the framework. A short
list of improvements you an expect are:
* Reverse routing has almost consistent time complexity now. In previous
releases reverse routing performance decreased as the number of routes
increased. Thanks to named routes and some additional optimizations routing
performance should stay more consistent even with large numbers of routes.
* Routing prefixes now map to controllers in sub-namespaces and not
prefixed methods.
* New HTTP client. The HttpSocket class has been entirely re-written. It is
now simpler, more performant and easier to use.
* Simplified configuration. While CakePHP does not have much configuration
required. The configuration it does have is now much simpler and more
transparent than ever before.
* Community standards adopted. CakePHP is leveraging PSR-0, PSR-1 and
composer support.
* Streamlined events system. The events system is now simpler and more
efficient than ever before.
## Getting started
On top of the framework changes, we've created a new repository for the
application skeleton[3]. You can install this and the development preview
of CakePHP using composer[4]. After downloading and installing composer you
can use:
$ php composer.phar create-project -s dev cakephp/app
This will generate a new application, so you can start experimenting with
CakePHP 3.0.
## Documentation online
While this is a preview release, we have been busy building documentation
alongside the code changes. The in-development book[5] and API[6] are
already online. They will be receiving frequent updates as more
documentation and examples are written.
## Getting involved
If you're as excited about CakePHP 3.0 as we are, there are many ways you
can get involved. You could help with the open issues in github[7], or
provide your thoughts on any of the open RFC/Enhancement tickets. Both of
these help us design and build the best framework we can. If you're reading
through the documentation and notice an error, please let us know, either
by opening an issue or sending a pull request.
I'd like to thank everyone who has contributed thoughts, code,
documentation or feedback to 3.0 so far. It's going to be a major milestone
for the project, and we're just getting started with making it the best
version of CakePHP ever.
### Links
* [1] https://github.com/cakephp/cakephp/releases/3.0.0-dev1
* [2] http://book.cakephp.org/3.0/en/appendices/3-0-migration-guide.html
* [3] https://github.com/cakephp/app.
* [4] http://getcomposer.org
* [5] http://book.cakephp.org/3.0/en/
* [6] http://api.cakephp.org/3.0/
* [7] https://github.com/cakephp/cakephp/issues?milestone=7&state=open
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