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Home PHP Framework YII What is the minimum version of php for yii2?

What is the minimum version of php for yii2?

Jan 21, 2020 pm 01:58 PM
yii2

What is the minimum version of php for yii2?

What is the minimum PHP version number required to install yii2?

Yii2 2.0.14 released. Yii 2 is a complete rewrite based on Yii 1.1 version, one of the most popular PHP frameworks. Yii 2 inherits the simplicity, speed, and high scalability of Yii. Yii 2 requires PHP 5.4 and features the best examples and protocols for modern web application development.

Recommended learning: yii tutorial

Installation of yii2.0, the official provides two installation methods, one is to install through composer, the other is Directly download the installation package and install it by following the method of yii1.0. As for the installation of the first composer, there will be no redundant explanation here. This article mainly explains in detail the second method of installing yii2.0 through the official installation package.

yii2. 0Basic version installation

Let’s talk about the editor’s PHP environment first! My company's environment uses the wamp integrated environment, and I configure the nginx PHP mysql environment at home. However, yii2.0 still has a mandatory requirement for the PHP version, which must be

Yii 2.0 requires PHP 5.4 or higher, which is a huge improvement over the PHP 5.2 required by Yii 1.1 . So there are a lot of notable differences at the language level. The following is a summary of the main changes in the PHP layer:

● Namespace

● Anonymous function

● Array short syntax [...element...] is used to replace array (...element...)

● The short format echo tag = in the view file will always be recognized and legal since PHP 5.4. It can be used safely regardless of the setting of short_open_tag. .

● SPL classes and interfaces

● Delayed static binding

● Date and time

● Traits

● intl Yii 2.0 Use the PHP extension intl to support internationalization related functions.

If your PHP version is wrong, I'm sorry, but the installation of yii2.0 must have been unsuccessful. This is called hardware failure, and the software will definitely not support it. If you do not meet the installation conditions, Nongcheng still recommends that you upgrade the PHP version to support the requirements of yii2.0.

1. The first step is to download the basic version of yii2.0 from the official website

2. The second step is to unzip the downloaded basic version of yii2.0 to www under your server Below the folder

3. Modify the config/web.php file and add a key to the cookieValidationKey configuration item (if you install it through Composer, this step will be completed automatically):

// !!! 在下面插入一段密鑰(若為空) - 以供 cookie validation 的需要
'cookieValidationKey' => '在此處輸入你的密鑰',

4 .Visit the link below and you should be successful:

http://localhost/web/index.php

What is the minimum version of php for yii2?

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