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Example code of omnilight/yii2-shopping-cart

Informations about the package yii2-shopping-cart

Shopping cart for Yii 2

This extension adds shopping cart 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.

How to use

In your model:

In your controller:

Also you can use cart as global application component:

And use it in the following way:

In order to get number of items in the cart:

In order to get total cost of items in the cart:

If the original model that you want to use as cart position is too heavy to be stored in the session, you can create a separate class implementing CartPositionInterface, and original model can implement CartPositionProviderInterface:

This way gives us ability to create separate cart positions for the same product, that differs only on some property, for example price or color:

Using discounts

Discounts are implemented as behaviors that could attached to the cart or it's positions. To use them, follow this steps:

  1. Define discount class as a subclass of yz\shoppingcart\DiscountBehavior

  2. Add this behavior to the cart:

If discount is suitable not for the whole cart, but for the individual positions, than it is possible to attach discount to the cart position itself:

Note, that the same behavior could be used for both cart and position classes.

  1. To get total cost with discount applied:

  2. During the calculation the following events are triggered:
    • ShoppingCart::EVENT_COST_CALCULATION once per calculation.
    • CartPositionInterface::EVENT_COST_CALCULATION for each position in the cart.

You can also subscribe on this events to perform discount calculation:

All versions of yii2-shopping-cart with dependencies

PHP Build Version
Package Version
Requires php Version >=5.4.0
yiisoft/yii2 Version *
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