-->Install PHP environment
Wamp integrated environment, XAMMP, etc.
-->Install Composer
http://pan.baidu.com/s/1i3fejjv
PS: During the installation process, there is a manual operation item to select the directory where php.exe is located: D:wampbinphpphp5.5.12php.exe
- ->Download the framework of YII2
Basic version http://pan.baidu.com/s/1qWkV344
Advanced version http://pan.baidu.com/s/1i3B8ezz
Here are two templates: Basic application of Yii2 After downloading the program template and Yii2 advanced application template
, unzip it into the WEB development directory (www directory), and rename it to advance
--> Open the run window, shortcut key (windows+R), enter cmd, Open the command line window
-->Enter the advance directory
--> d:
--> cd d:wampwwwadvance
PS: Press the tab key when typing to quickly complete
--> composer create-project --profer-dist yiisoft/yii2-app-advanced ../yiitest (this is the project directory name, feel free)
--> You may be asked to enter a token
--> Open https://github.com/
--> If you don’t have an account, register first. If you have an account, log in directly
--> Click on the avatar in the upper right corner, Setting
--> Personal access tokens
--> Generate new token Enter a description (name as you like), Then copy
--> Right-click the command line window, paste, and press Enter. The token here is hidden and will not be displayed after pasting. Just press Enter and OK
--> Then wait, wait, wait, until The installation is successful (Writing lock file Generating autoload files appears, which means the installation is successful. If it fails, delete yiitest in the www directory and execute it again)
--> Initialize yiitest
--> cd .. (return to the previous page) First-level directory)
--> cd yiitest (enter the project directory)
--> init select 0 (development version), press Enter, enter yes, press Enter, the installation is complete
--> Open the project
-- > http://localhost/yiitest/frontend/web/(frontend)
--> http://localhost/yiitest/backend/web/(backend)
The above introduces the Yii2 framework to install windows, including shortcut keys and github content. I hope it will be helpful to friends who are interested in PHP tutorials.

What’s still popular is the ease of use, flexibility and a strong ecosystem. 1) Ease of use and simple syntax make it the first choice for beginners. 2) Closely integrated with web development, excellent interaction with HTTP requests and database. 3) The huge ecosystem provides a wealth of tools and libraries. 4) Active community and open source nature adapts them to new needs and technology trends.

PHP and Python are both high-level programming languages that are widely used in web development, data processing and automation tasks. 1.PHP is often used to build dynamic websites and content management systems, while Python is often used to build web frameworks and data science. 2.PHP uses echo to output content, Python uses print. 3. Both support object-oriented programming, but the syntax and keywords are different. 4. PHP supports weak type conversion, while Python is more stringent. 5. PHP performance optimization includes using OPcache and asynchronous programming, while Python uses cProfile and asynchronous programming.

PHP is mainly procedural programming, but also supports object-oriented programming (OOP); Python supports a variety of paradigms, including OOP, functional and procedural programming. PHP is suitable for web development, and Python is suitable for a variety of applications such as data analysis and machine learning.

PHP originated in 1994 and was developed by RasmusLerdorf. It was originally used to track website visitors and gradually evolved into a server-side scripting language and was widely used in web development. Python was developed by Guidovan Rossum in the late 1980s and was first released in 1991. It emphasizes code readability and simplicity, and is suitable for scientific computing, data analysis and other fields.

PHP is suitable for web development and rapid prototyping, and Python is suitable for data science and machine learning. 1.PHP is used for dynamic web development, with simple syntax and suitable for rapid development. 2. Python has concise syntax, is suitable for multiple fields, and has a strong library ecosystem.

PHP remains important in the modernization process because it supports a large number of websites and applications and adapts to development needs through frameworks. 1.PHP7 improves performance and introduces new features. 2. Modern frameworks such as Laravel, Symfony and CodeIgniter simplify development and improve code quality. 3. Performance optimization and best practices further improve application efficiency.

PHPhassignificantlyimpactedwebdevelopmentandextendsbeyondit.1)ItpowersmajorplatformslikeWordPressandexcelsindatabaseinteractions.2)PHP'sadaptabilityallowsittoscaleforlargeapplicationsusingframeworkslikeLaravel.3)Beyondweb,PHPisusedincommand-linescrip

PHP type prompts to improve code quality and readability. 1) Scalar type tips: Since PHP7.0, basic data types are allowed to be specified in function parameters, such as int, float, etc. 2) Return type prompt: Ensure the consistency of the function return value type. 3) Union type prompt: Since PHP8.0, multiple types are allowed to be specified in function parameters or return values. 4) Nullable type prompt: Allows to include null values and handle functions that may return null values.


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