YII validators defavalivalidator-default validators

: This article mainly introduces the YII validators DefaultValidator-default validators. if you are interested in PHP tutorials, refer to them. Function description:

1. backend verification: if the value is null during verification, the default value is assigned.

2. front-end verification: verification is performed when the mouse loses focus. if there is a non-empty (required) verification, the non-empty verification is performed first. if there is no empty verification, the default value is automatically filled after the mouse loses focus.

Usage:

// Call $ rules [] = Model: addRule ('cat _ sort ', 'default' in the rules () function ', ['value' => '123']);

Parameter description:

1. validators name: default

2. specify the default value for the attribute.

When the mouse gets the focus to clear the text box:

After the mouse loses focus, auto-completion is automatically performed based on the default value:

The above introduces the YII validators DefaultValidator-default value validators, including some content, hope to be helpful to friends who are interested in PHP tutorials.