All PHP frameworks has their own significance and have their own specific features . Yii is also one of most used PHP framework used programming widely.

Yii is a fast, secure, and efficient PHP framework. Flexible yet pragmatic. Works right out of the box. Has reasonable defaults.Yii is a high performance,
component-based PHP framework for rapidly developing modern Web applications. The name Yii can be considered as the acronym for Yes It Is!. Yii 2 inherits
the main spirit behind Yii for being a simple, fast and highly extensible PHP framework.

At Grintech we worked both YII and YII 2 , We have earlier done more than 5 plus projects and delivered successfully to your clients.Yii2.0 Requirements
Yii 2.0 requires PHP 5.4.0 or above.

Grintech provide the following best features in YII 2:

ActiveRecord Supporting Relational

Assets And Script Management

Cookie

Caching

CSRF Tokens for security

DAO

Error Handling

Extension Organization

Gii

i18n support

Multi-tier caching support

Namespaces, Traits features available

NoSQL databases

Pagination

Pure OOP-based framework

Query builders

RBAC

RESTful API

Validators

Security Helper

Session

Sessions storage in database

Themeing

URL Manager

Widgets available like Grid View, List View