NestedSetsQueryBehavior

class	`yii2\extensions\nestedsets\NestedSetsQueryBehavior`
Extends	`yii\base\Behavior` » `yii\base\BaseObject`
Implements	`yii\base\Configurable`
Source	`src/NestedSetsQueryBehavior.php`

Adds root and leaf queries to an ActiveQuery whose model is managed by NestedSetsBehavior.

Properties

Property	Type	Description	Defined by
`$owner`	`yii\base\T\|null`	The owner of this behavior Default: `null`.	`yii\base\Behavior`

Method	Description	Defined by
`__construct()`	Constructor.	`yii\base\BaseObject`
`__call()`	Calls the named method which is not a class method.	`yii\base\BaseObject`
`__get()`	Returns the value of an object property.	`yii\base\BaseObject`
`__isset()`	Checks if a property is set, i.e. defined and not null.	`yii\base\BaseObject`
`__set()`	Sets value of an object property.	`yii\base\BaseObject`
`__unset()`	Sets an object property to null.	`yii\base\BaseObject`
`attach()`	Attaches the behavior object to the component.	`yii\base\Behavior`
`canGetProperty()`	Returns a value indicating whether a property can be read.	`yii\base\BaseObject`
`canSetProperty()`	Returns a value indicating whether a property can be set.	`yii\base\BaseObject`
`className()` static	Returns the fully qualified name of this class.	`yii\base\BaseObject`
`detach()`	Detaches the behavior object from the component.	`yii\base\Behavior`
`events()`	Declares event handlers for the `$owner`’s events.	`yii\base\Behavior`
`hasMethod()`	Returns a value indicating whether a method is defined.	`yii\base\BaseObject`
`hasProperty()`	Returns a value indicating whether a property is defined.	`yii\base\BaseObject`
`init()`	Initializes the object.	`yii\base\BaseObject`
`leaves()`	Restricts the owner query to leaf nodes, ordered by tree identifier when enabled and then by left value.	`NestedSetsQueryBehavior`
`roots()`	Restricts the owner query to root nodes, ordered by tree identifier when enabled and then by left value.	`NestedSetsQueryBehavior`

public function leaves(): yii2\extensions\nestedsets\T

Restricts the owner query to leaf nodes, ordered by tree identifier when enabled and then by left value.

Returns

yii2\extensions\nestedsets\T: Owner query with the leaf condition and ordering applied.

Throws

LogicException: if the behavior is not attached or the query model is not an ActiveRecord.

public function roots(): yii2\extensions\nestedsets\T

Restricts the owner query to root nodes, ordered by tree identifier when enabled and then by left value.

Returns

yii2\extensions\nestedsets\T: Owner query with the root condition and ordering applied.

Throws

LogicException: if the behavior is not attached or the query model is not an ActiveRecord.