The CakePHP core team is happy to announce the immediate availability of
CakePHP 3.1.0. This release is an API stable release for 3.1. 3.1.0
delivers a number of improvements to the 3.x release series.
New in 3.1
==========
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:
$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:
// 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:
$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:
// 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:
// 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:
// 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.
Refreshed Default Application Styles
------------------------------------
The styling used in the application skeleton have been streamlined and
offer improved rendering on smaller devices. In addition to cleaner
visuals, bake templates have been updated to create cleaner markup as well.
The above screenshot gives you a taste of what the new default styles look
like.
Important Changes From 3.0
--------------------------
While none of the following changes modify method signatures, the behaviour
of specific methods is slightly different than in the past:
- `FlashComponent` now stacks Flash messages created with the `set()` or
`__call()` methods. This means that the structure in the Session for stored
Flash messages has changed.
- New configuration option `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.
- You can now also configure `AuthComponent` to do the auth check before
controller's `beforeFilter()` callback is run using the `checkAuthIn`
configuration. This is particularly useful when using stateless
authenticators.
- `RequestHandlerComponent` now switches the layout and template based on
the parsed extension or `Accept-Type` header in the `beforeRender()`
callback instead of `startup()` callback.
- 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.
Other Enhancements
------------------
- The default route class has been changed to `DashedRoute` in the
`cakephp/app` repository. 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.
- `Validation::latitude()`, and `Validation::longitude()` were added.
- `Validation::ascii()`, `Validation::utf8()`, and
`Validation::isInteger()` were added.
- `Cache::add()` was ported from 2.x. This method allows you to atomically
add data to a cache backend if the key did not already exist.
- `Time::listTimezones()` now supports options to display timezone
abbreviations.
- `Hash::get()` now supports objects implementing ArrayAccess.
- `Hash::sort()` supports case-insensitive sorting through a new
`ignoreCase` option.
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.
- The following Controller properties are now deprecated:
* layout
* view
* theme
* autoLayout
* viewPath
* layoutPath
Instead of setting these properties on your controllers, you should set
them using the ViewBuilder.
The [3.1 migration
guide](http://book.cakephp.org/3.0/en/appendices/3-1-migration-guide.html)
has a full list of all the changes in 3.1.0 and is recommended reading for
those considering upgrading.
Upgrading your Application
--------------------------
You can use `composer` to upgrade from 3.0 to 3.1::
php composer.phar require 'cakephp/cakephp:3.1.*'
php composer.phar require 'cakephp/debug_kit:3.2.*'
php composer.phar require 'cakephp/bake:1.1.*'
This will install the new core libraries, update bake and DebugKit. You
should then address any deprecation warnings in your application, as
deprecated features will be removed in the future. If you are using the
default CSS provided with the application skeleton, you should also pull in
the most recent CSS in cakephp/app as the default styling and bake
templates have been refreshed.
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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