search
HomeBackend DevelopmentPHP TutorialWhat are the core knowledge of PHP programming?

What are the core knowledge of PHP programming?

As a programming language widely used in server-side Web development, PHP is undoubtedly one of the skills that Internet developers must master. It is easy to learn, has high development efficiency, and has a vibrant ecosystem, making it a leader in web development. The core knowledge of PHP programming includes both the basic knowledge of the language itself and related skills applied to web development.

1. Basic Grammar

As a programming language, grammar is a basic introductory tutorial. Mastering the basic grammar of PHP is crucial for further in-depth learning and development. Basic syntax to master includes: variable types, loops, conditional statements, arrays, strings, etc.

(1) Variable type

Variable types in PHP include numbers (integer), strings (string), floating point numbers (float), Boolean values ​​(boolean), and arrays (array) etc. Understanding these variable types and their usage is an important foundation for writing efficient, streamlined, and scalable code.

(2) Loops

Loops are widely used in PHP. Mastering the various application scenarios and usage of loops is an essential basic skill.

(3) Conditional statements

Conditional statements are also often used in development. Understanding the usage of statements such as if, else, and switch case can help developers design a more readable code.

(4) Array

Arrays are widely used in PHP. Mastering the definition, value acquisition, assignment, traversal, operation and use of related functions of arrays is a very important programming skill. .

(5) String

Strings in PHP also support a wide range of functions and operations. Familiarizing yourself with these functions and operations will help developers to work more quickly and efficiently. Write code.

2. Object-oriented programming

Object-oriented programming in PHP has become a consensus in the global IT field because it is easier to maintain than traditional process-based programming and can better adapt to business changes. . Mastering the related concepts of object-oriented programming (OOP), including classes, objects, inheritance, encapsulation, polymorphism, etc., is an important way to improve programming efficiency and code readability.

3. Database Operation

The foundation of modern web applications is data storage and management. There are many database extension packages in PHP, such as MySQL, and technologies such as NoSQL and Redis are often used in development. Therefore, it is essential to learn PHP to connect to the database, operate the database, query, insert, update, delete and other data operations. core knowledge.

4. XML, JSON, SOAP

It is necessary to learn the relevant knowledge of XML, JSON, and SOAP in PHP, which can support data formatting, data exchange, data transmission, etc. data processing. Mastering this knowledge can make developers more robust in the data transfer process and able to operate data more efficiently.

5. Web Development

PHP is a language widely used for Web development, so it is also indispensable to understand the relevant knowledge about the Web, including Web server, client, JavaScript , HTML, etc., as well as knowledge related to HTTP protocol, such as Get/Post, Session/Cookie, etc.

6. Security

Security is an issue that must be taken into consideration in Web development. There are many security risks, including SQL injection, XSS attacks, CSRF attacks, etc. PHP developers need to understand these security issues and master solutions to provide a strong guarantee for Web security.

In short, mastering the above core knowledge can help us lay a solid foundation for PHP development and lay a solid foundation for further improving our skills and writing efficient and readable code.

The above is the detailed content of What are the core knowledge of PHP programming?. For more information, please follow other related articles on the PHP Chinese website!

Statement
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
The Continued Use of PHP: Reasons for Its EnduranceThe Continued Use of PHP: Reasons for Its EnduranceApr 19, 2025 am 12:23 AM

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: Exploring Their Similarities and DifferencesPHP and Python: Exploring Their Similarities and DifferencesApr 19, 2025 am 12:21 AM

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 and Python: Different Paradigms ExplainedPHP and Python: Different Paradigms ExplainedApr 18, 2025 am 12:26 AM

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 and Python: A Deep Dive into Their HistoryPHP and Python: A Deep Dive into Their HistoryApr 18, 2025 am 12:25 AM

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.

Choosing Between PHP and Python: A GuideChoosing Between PHP and Python: A GuideApr 18, 2025 am 12:24 AM

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 and Frameworks: Modernizing the LanguagePHP and Frameworks: Modernizing the LanguageApr 18, 2025 am 12:14 AM

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.

PHP's Impact: Web Development and BeyondPHP's Impact: Web Development and BeyondApr 18, 2025 am 12:10 AM

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

How does PHP type hinting work, including scalar types, return types, union types, and nullable types?How does PHP type hinting work, including scalar types, return types, union types, and nullable types?Apr 17, 2025 am 12:25 AM

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.

See all articles

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Tools

SecLists

SecLists

SecLists is the ultimate security tester's companion. It is a collection of various types of lists that are frequently used during security assessments, all in one place. SecLists helps make security testing more efficient and productive by conveniently providing all the lists a security tester might need. List types include usernames, passwords, URLs, fuzzing payloads, sensitive data patterns, web shells, and more. The tester can simply pull this repository onto a new test machine and he will have access to every type of list he needs.

DVWA

DVWA

Damn Vulnerable Web App (DVWA) is a PHP/MySQL web application that is very vulnerable. Its main goals are to be an aid for security professionals to test their skills and tools in a legal environment, to help web developers better understand the process of securing web applications, and to help teachers/students teach/learn in a classroom environment Web application security. The goal of DVWA is to practice some of the most common web vulnerabilities through a simple and straightforward interface, with varying degrees of difficulty. Please note that this software

SAP NetWeaver Server Adapter for Eclipse

SAP NetWeaver Server Adapter for Eclipse

Integrate Eclipse with SAP NetWeaver application server.

MinGW - Minimalist GNU for Windows

MinGW - Minimalist GNU for Windows

This project is in the process of being migrated to osdn.net/projects/mingw, you can continue to follow us there. MinGW: A native Windows port of the GNU Compiler Collection (GCC), freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All MinGW software can run on 64-bit Windows platforms.

Safe Exam Browser

Safe Exam Browser

Safe Exam Browser is a secure browser environment for taking online exams securely. This software turns any computer into a secure workstation. It controls access to any utility and prevents students from using unauthorized resources.