Is it useful to learn PHP by yourself? What are the advantages of learning PHP language? Let’s take a look at the 7 major advantages of learning PHP language analyzed by PHP Chinese website. Whether you are learning PHP by yourself or studying at a training institution, you must know what some of its advantages are.
1. Simple and easy to learn
The programming language with the lowest difficulty to get started and the easiest to get started can be learned even if you have no basic knowledge! Make more money in the simplest language!
2. Website development artifact
80% of domestic Internet websites are developed using PHP
Currently, more than 60% of the 50 million Internet websites in the world use PHP technology
3. Low market saturation
Currently in China, there are fewer people learning PHP and there is a lack of professional talents. Enterprise demand is also increasing. It can be said that the supply of professionals in this area exceeds demand. On average, every 5 positions available for one person!
4. The most popular back-end development language
In 2016, according to statistics from BOSS Direct Recruitment Network, PHP became the most popular back-end development language, no one! PHP development engineers top the list of the top 10 most popular talents on the Internet.
5. The preferred backend language for WeChat and Mini Programs
WeChat and Mini Programs officially recommend the use of PHP language as the development language.
6. Can easily penetrate the mobile terminal
PHP can not only transmit data to mobile APPs, but PHP programmers can also develop mobile APPs through hybrid methods, which are compatible with iOS and Android phones! Greatly reduce enterprise development costs!
7. Take private orders and make extra money
The development speed is fast and the cost is low. You can use your spare time to take private orders and make extra money! 2,000 yuan for a website! A station can be built in two or three days.
Summary: Self-study is an art, and self-study PHP can be said to be a good choice. Since you have chosen to learn it, you need to have a route so that you will not be confused on the way to self-study PHP. Take too many detours. PHP Chinese website is a good self-study website with rich and colorful content and all materials and resources are free. I hope it can help everyone.
Related recommendations:
PHP complete self-study manual
Learn PHP in one week - basic entry tutorial
Is it difficult to learn PHP by yourself
The above is the detailed content of Seven advantages of self-study PHP. For more information, please follow other related articles on the PHP Chinese website!

The main advantages of using database storage sessions include persistence, scalability, and security. 1. Persistence: Even if the server restarts, the session data can remain unchanged. 2. Scalability: Applicable to distributed systems, ensuring that session data is synchronized between multiple servers. 3. Security: The database provides encrypted storage to protect sensitive information.

Implementing custom session processing in PHP can be done by implementing the SessionHandlerInterface interface. The specific steps include: 1) Creating a class that implements SessionHandlerInterface, such as CustomSessionHandler; 2) Rewriting methods in the interface (such as open, close, read, write, destroy, gc) to define the life cycle and storage method of session data; 3) Register a custom session processor in a PHP script and start the session. This allows data to be stored in media such as MySQL and Redis to improve performance, security and scalability.

SessionID is a mechanism used in web applications to track user session status. 1. It is a randomly generated string used to maintain user's identity information during multiple interactions between the user and the server. 2. The server generates and sends it to the client through cookies or URL parameters to help identify and associate these requests in multiple requests of the user. 3. Generation usually uses random algorithms to ensure uniqueness and unpredictability. 4. In actual development, in-memory databases such as Redis can be used to store session data to improve performance and security.

Managing sessions in stateless environments such as APIs can be achieved by using JWT or cookies. 1. JWT is suitable for statelessness and scalability, but it is large in size when it comes to big data. 2.Cookies are more traditional and easy to implement, but they need to be configured with caution to ensure security.

To protect the application from session-related XSS attacks, the following measures are required: 1. Set the HttpOnly and Secure flags to protect the session cookies. 2. Export codes for all user inputs. 3. Implement content security policy (CSP) to limit script sources. Through these policies, session-related XSS attacks can be effectively protected and user data can be ensured.

Methods to optimize PHP session performance include: 1. Delay session start, 2. Use database to store sessions, 3. Compress session data, 4. Manage session life cycle, and 5. Implement session sharing. These strategies can significantly improve the efficiency of applications in high concurrency environments.

Thesession.gc_maxlifetimesettinginPHPdeterminesthelifespanofsessiondata,setinseconds.1)It'sconfiguredinphp.iniorviaini_set().2)Abalanceisneededtoavoidperformanceissuesandunexpectedlogouts.3)PHP'sgarbagecollectionisprobabilistic,influencedbygc_probabi

In PHP, you can use the session_name() function to configure the session name. The specific steps are as follows: 1. Use the session_name() function to set the session name, such as session_name("my_session"). 2. After setting the session name, call session_start() to start the session. Configuring session names can avoid session data conflicts between multiple applications and enhance security, but pay attention to the uniqueness, security, length and setting timing of session names.


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