Class yii\base\Action

Inheritance	yii\base\Action » yii\base\Component » yii\base\Object
Implements	yii\base\Configurable
Subclasses	yii\authclient\AuthAction, yii\base\InlineAction, yii\captcha\CaptchaAction, yii\debug\actions\db\ExplainAction, yii\elasticsearch\DebugAction, yii\gii\console\GenerateAction, yii\httpclient\debug\RequestExecuteAction, yii\mongodb\debug\ExplainAction, yii\rest\Action, yii\rest\CreateAction, yii\rest\DeleteAction, yii\rest\IndexAction, yii\rest\OptionsAction, yii\rest\UpdateAction, yii\rest\ViewAction, yii\web\ErrorAction, yii\web\ViewAction
Available since version	2.0
Source Code	https://github.com/yiisoft/yii2/blob/master/framework/base/Action.php

Action is the base class for all controller action classes.

Action provides a way to reuse action method code. An action method in an Action class can be used in multiple controllers or in different projects.

Derived classes must implement a method named run(). This method will be invoked by the controller when the action is requested. The run() method can have parameters which will be filled up with user input values automatically according to their names. For example, if the run() method is declared as follows:

public function run($id, $type = 'book') { ... }

And the parameters provided for the action are: ['id' => 1]. Then the run() method will be invoked as run(1) automatically.

For more details and usage information on Action, see the guide article on actions.

Public Properties

Property	Type	Description	Defined By
$behaviors	yii\base\Behavior[]	List of behaviors attached to this component	yii\base\Component
$controller	yii\base\Controller|yii\web\Controller	The controller that owns this action	yii\base\Action
$id	string	ID of the action	yii\base\Action
$uniqueId	string	The unique ID of this action among the whole application.	yii\base\Action

Public Methods

Method	Description	Defined By
__call()	Calls the named method which is not a class method.	yii\base\Object
__clone()	This method is called after the object is created by cloning an existing one.	yii\base\Component
__construct()	Constructor.	yii\base\Action
__get()	Returns the value of an object property.	yii\base\Object
__isset()	Checks if a property is set, i.e. defined and not null.	yii\base\Object
__set()	Sets value of an object property.	yii\base\Object
__unset()	Sets an object property to null.	yii\base\Object
attachBehavior()	Attaches a behavior to this component.	yii\base\Component
attachBehaviors()	Attaches a list of behaviors to the component.	yii\base\Component
behaviors()	Returns a list of behaviors that this component should behave as.	yii\base\Component
canGetProperty()	Returns a value indicating whether a property can be read.	yii\base\Object
canSetProperty()	Returns a value indicating whether a property can be set.	yii\base\Object
className()	Returns the fully qualified name of this class.	yii\base\Object
detachBehavior()	Detaches a behavior from the component.	yii\base\Component
detachBehaviors()	Detaches all behaviors from the component.	yii\base\Component
ensureBehaviors()	Makes sure that the behaviors declared in behaviors() are attached to this component.	yii\base\Component
getBehavior()	Returns the named behavior object.	yii\base\Component
getBehaviors()	Returns all behaviors attached to this component.	yii\base\Component
getUniqueId()	Returns the unique ID of this action among the whole application.	yii\base\Action
hasEventHandlers()	Returns a value indicating whether there is any handler attached to the named event.	yii\base\Component
hasMethod()	Returns a value indicating whether a method is defined.	yii\base\Object
hasProperty()	Returns a value indicating whether a property is defined.	yii\base\Object
init()	Initializes the object.	yii\base\Object
off()	Detaches an existing event handler from this component.	yii\base\Component
on()	Attaches an event handler to an event.	yii\base\Component
runWithParams()	Runs this action with the specified parameters.	yii\base\Action
trigger()	Triggers an event.	yii\base\Component

Protected Methods

Method	Description	Defined By
afterRun()	This method is called right after run() is executed.	yii\base\Action
beforeRun()	This method is called right before run() is executed.	yii\base\Action

Property Details

$controller public property

The controller that owns this action

public yii\base\Controller|yii\web\Controller $controller = null

$id public property

ID of the action

public string $id = null

$uniqueId public read-only property

The unique ID of this action among the whole application.

public string getUniqueId ( )

Method Details