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Informations about the package yii2-datetime
Date and Time behaviors for Yii 2
This extension helps you to deal with date and time attributes of the models for Yii framework 2.0
Installation
The preferred way to install this extension is through composer.
Either run
or add
to the require section of your composer.json.
Why?
When working with models and forms it is often needed to provide user a way to edit attributes that holds date and/or time. In this case typical problems are:
- Date/time formats could be different in the database and in the displayed form (due to local settings, for ex.)
- You should validate values entered by the user
So you have to set correct format for database, form, somehow convert them from one to another, and it would be nice if you can setup correct formats once (on application level) and lately do not worry about them. This extension helps is this area.
The idea
Idea is to have separate attribute for each editable date/time property of the model, that will be used in the form. This attribute will not be stored in the DB, but it will be used to present user with correctly formatted value. And when you assign value to this attribute, it will be automatically converted and assigned to the DB property of the model.
This extension provides special behavior, that automates work with this attributes
How to use
In your model:
Now in your view with the form:
That's all! User will enter date in the his local format and will be converted to the database automatically.
How is works
Behavior creates "virtual" attribute named attribute_name_local for each attribute you define in the 'attributes' section.
When you read $yourModel->attribute_name_local behavior will return object with the type DateTimeAttribute. If
this object will be used in the string context, it will be converted to string with the magical __toString method.
And during this original value of attribute_name will be converted into the local representation.
When you assign value to the $yourModel->attribute_name_local internally it will be assigned to value property
of the DateTimeAttribute class and converted to the your database-stored property.
You can also define individual configuration for each attribute and define it's local name, format and so on.
