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Trait yii\base\StaticInstanceTrait

All Classes | Methods
Implemented byyii\base\DynamicModel, yii\base\Model, yii\data\ActiveDataFilter, yii\data\DataFilter, yii\db\ActiveRecord, yii\db\BaseActiveRecord
Available since version2.0.13
Source Code https://github.com/yiisoft/yii2/blob/master/framework/base/StaticInstanceTrait.php

StaticInstanceTrait provides methods to satisfy yii\base\StaticInstanceInterface interface.

See also yii\base\StaticInstanceInterface.

Public Methods

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Method Description Defined By
instance() Returns static class instance, which can be used to obtain meta information. yii\base\StaticInstanceTrait

Method Details

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instance() public static method

Returns static class instance, which can be used to obtain meta information.

public static static instance ( $refresh = false )
$refresh boolean

Whether to re-create static instance even, if it is already cached.
return static

Class instance.

 

                public static function instance($refresh = false)
{
    $className = get_called_class();
    if ($refresh || !isset(self::$_instances[$className])) {
        self::$_instances[$className] = Yii::createObject($className);
    }
    return self::$_instances[$className];
}