caching\ExpressionDependency $expression

$expression public property

The string representation of a PHP expression whose result is used to determine the dependency. A PHP expression can be any PHP code that evaluates to a value. To learn more about what an expression is, please refer to the php manual.

public string $expression = 'true'

Links:

http://www.yiiframework.com/doc-2.0/yii-caching-expressiondependency.html#$expression-detail

doc_Yii

2016-10-30 16:54:03

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