validateValue() protected method
Validates a value.
A validator class can implement this method to support data validation out of the context of a data model.
| protected array|null validateValue ( $value ) | ||
|---|---|---|
| $value | mixed |
The data value to be validated. |
| return | array|null |
The error message and the parameters to be inserted into the error message. Null should be returned if the data is valid. |
| throws | yii\base\NotSupportedException |
if the validator does not supporting data validation without a model |
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