The safe usage of validator in Yii _php tutorial

The safe usage of validator in Yii

At the beginning of the use of Yii, has been the validation rules in the safe is not very understanding, today tested, is to understand the connotation of safe. Always think that safe is the framework of the input content filtering, such as SQL injection filter, in fact, is not, safe or unsafe is mainly in the $model->attributes=$_post[' User '; This assignment is called bulk copy (Massive Assignment) in Yii, and when all the properties in the model are safe, the value of the $_post[' User ' of the form submission can be assigned to $model->attributes. Then save into the database. However, once a property is not set to safe, such as username, when the user name is modified, you will find that the user name value is not updated, because username is unsafe, so massive The value of the new username cannot be assigned to the model in assignment.

Here is the explanation of the master:

Safe attributes refers to a property that is entered by the user and needs to be validated. If an attribute appears in a validation rule and the applicable scenario of the validation rule is the same as the model's current scenario, then the property is safe and can accept bulk assignment. In Yii 1.1, the Safeattributes () function has been canceled. All attributes are declared safe by a validation rule.

See also: http://www.yiiframework.com/wiki/161/understanding-safe-validation-rules/

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