The CakePHP core team is happy to announce the immediate availability of
CakePHP 3.1.0-beta. This release is the first release for the 3.1 branch
whichadds several new features to the 3.x series. We would appreciate any
feedback you might have on the new features before their API definitions
become stable.
## ORM Enhancements
A big part of 3.1 was making the ORM even more awesome than it already is.
#### Lazy Eager Loading
You can now Lazily Eager Load Associations. This feature allows you to
conditionally load additional associations into a result set, entity or
collection of entities:
```php
$articles = $this->Articles->find('popular')->all();
// Later on after some logic has run.
// We can load additional associations.
$withAuthors = $this->Articles->loadInto($articles, ['Authors']);
```
#### Additional Filtering Methods
You may have already used `matching()` on the query object. In 3.1 you can
also use `notMatching()` to create a negated matching query:
```php
// Find articles with no comments.
$query = $this->Articles->find('popular')
->notMatching('Comments');
```
You can use the `leftJoinWith()` and `innerJoinWith()` methods to join
associations without loading columns from those associations. This makes it
easy to do filtering on associations:
```php
$query = $this->Articles->find()
->innerJoinWith('Authors')
->where(['Authors.promoted' => true]);
```
## Mailers
Mailers allow you to create reusable emails throughout your application.
They can also be used to contain multiple email configurations in one
location. This helps keep your code DRYer and keeps email configuration
noise out of other areas in your application. See the [Mailer Documentation
for more
information](http://book.cakephp.org/3.0/en/core-libraries/email.html#creating-reusable-emails).
Additional Template Variables in Templates
-------------------------------------------
You can now add additional template placeholders in your application
templates, and then populate those placeholders when generating inputs:
```php
// Add a template with the help placeholder.
$this->Form->templates([
'inputContainer' => '<div class="input {{type}}{{required}}">
{{content}} <span class="help">{{help}}</span></div>'
]);
// Generate an input and populate the help variable
echo $this->Form->input('password', [
'templateVars' => ['help' => 'At least 8 characters long.']
]);
```
Shell Helpers
-------------
Shell Helpers let you easily package up complex output generation code.
Shell Helpers can be accessed and used from any shell or task:
```php
// Output some data as a table.
$this->helper('table')->output($data);
// Get a helper from a plugin.
$this->helper('Plugin.HelperName')->output($data);
```
You can also get instances of helpers and call any public methods on them:
```php
// Get and use the Progress Helper.
$progress = $this->helper('Progress');
$progress->increment(10);
$progress->draw();
```
CakePHP provides a Progress and Table helper that you can use to make your
CLI tools look better.
Important Changes From 3.0
--------------------------
While non of the following changes modified method signatures, the
behaviour of specific methods is slightly different than in the past:
- `FlashComponent` now stacks Flash messages when set with the `set()` or
`__call()` method. This means that the structure in the Session for stored
Flash messages has changed.
- New config `storage` has been added. It contains the storage class name
that `AuthComponent` uses to store user record. By default `SessionStorage`
is used. If using a stateless authenticator you should configure
`AuthComponent` to use `MemoryStorage` instead.
- `RequestHandlerComponent` now switches the layout and template based on
the parsed extension or `Accept-Type` header in the `beforeRender()`
callback instead of `startup()`.
- The default mime type used when sending requests has changed in
Http\Client. Previously `multipart/form-data` would always be used. In 3.1,
`multipart/form-data` is only used when file uploads are present. When
there are no file uploads, `application/x-www-form-urlencoded` is used
instead.
Other Enhancements
------------------
- The default route class has been changed to `DashedRoute` in the
`cakephp/app` repo. Your current code base is not affected by this, but it
is recommended to use this route class from now on.
- The `breakpoint()` helper function has been added. This function provides
a snippet of code that can be put into `eval()` to trigger an interactive
console.
- `Shell::dispatchShell()` no longer outputs the welcome message from the
dispatched shell.
- You can now set `_serialized` to `true` for `JsonView` and `XmlView` to
serialize all view variables instead of explicitly specifying them.
- `Time::fromNow()` has been added. This method makes it easier to
calculate differences from 'now'.
- `Time::i18nFormat()` now supports non-gregorian calendars when formatting
dates.
Deprecations
------------
As we continue to improve CakePHP, certain features are deprecated as they
are replaced with better solutions. Deprecated features will not be removed
until 4.0:
- The `SessionHelper` has been deprecated. You can use
`$this->request->session()` directly.
Unless there are major issues with the 3.1.0-beta release, we will have a
release candidate and stable release packaged in the 4-5 weeks. The
documentation for 3.1.0 is now available in the
[book](http://book.cakephp.org/3.0/en) and the
[API](http://api.cakephp.org/3.1).
As always, a huge thanks to all the community members that helped make this
release happen by reporting issues and sending pull requests.
Download a [packaged release on
github](https://github.com/cakephp/cakephp/releases).
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