Netscape co-founder Marc Andreessen predicted at the Zend/php conference held on Wednesday (10/19) that the simple PHP descriptive language writing tool will be more popular than Java in the development of Web-based applications.
After Sun Microsystems released Java in 1995, Java's friendly interface made it easier for engineers to design software and was welcomed by engineers. However, over the past ten years, powerful functions have been added to Java one after another, making it become Not easy to operate. Marc Andreessen pointed out that today's Java may be more difficult to learn than C++. At the same time, PHP inherits the simple spirit of Java and creates a program development environment that is easier to use than Java.
PHP is an open source project, which includes a descriptive language engine that can simplify programs and a large link library. There are also companies that specialize in developing PHP. For example, Zend sells PHP suite products, program writing tools, and technical support services.
Andreessen's views may be difficult to win over Java advocates, because there are still millions of engineers around the world who specialize in Java, and hundreds of companies participate in the Java Community PROcess (JCP), where they jointly control the fate of Java. . However, even IBM, which vigorously supports Java and even uses Java as the core of WebSphere server software, believes that PHP has a better future than Java.
Rod Smith, vice president of IBM's New Network Technology Division, said that "simplicity" is the biggest feature of PHP, and it will not add new language features in order to compete with other languages. This is obviously not the case with Java.
Moreover, PHP's power is not small. Currently, about 22 million websites use PHP, including well-known websites such as Yahoo! and Lufthansa. The number continues to increase, and there are 450 software engineers with the right to review any software on PHP software. change.
Compared with Java, PHP has more limited scope of use. It can only be used on network servers. Unlike Java, it can be used on network servers, personal computers, mobile phones, chip cards or other devices.
In addition to competing with each other in some aspects, Java and PHP also rely on each other to a certain extent. Ken Jacobs, vice president of product strategy at Oracle, said that even though Oracle sells Java server and database software that can run both Java and PHP, it is adding an additional new feature to Java so that the two software projects can work together. ;More specifically, Java Specification Requirement 223 (JSR 223) will "help build the bridge between the Java community and the PHP community."
Marc Andreessen, who just recently launched "Ning", a website that can share photos and other content, also said that now Ning also runs both Java and PHP. The core system is composed of Java. All visible applications on the site are written in PHP. , Java is more like the operating system level.
Like other open source projects such as Linux and Apache, PHP is currently being protected by major players in the computer industry. IBM and Oracle are both committed to developing programs that allow PHP software to retrieve their databases. In fact, IBM and Oracle act like they are endorsing PHP. Even these two major companies support PHP, which proves that PHP may be a good thing.
The above has introduced whether PHP is more popular than Java, including aspects of it. I hope it will be helpful to friends who are interested in PHP tutorials.

Setting session cookie parameters in PHP can be achieved through the session_set_cookie_params() function. 1) Use this function to set parameters, such as expiration time, path, domain name, security flag, etc.; 2) Call session_start() to make the parameters take effect; 3) Dynamically adjust parameters according to needs, such as user login status; 4) Pay attention to setting secure and httponly flags to improve security.

The main purpose of using sessions in PHP is to maintain the status of the user between different pages. 1) The session is started through the session_start() function, creating a unique session ID and storing it in the user cookie. 2) Session data is saved on the server, allowing data to be passed between different requests, such as login status and shopping cart content.

How to share a session between subdomains? Implemented by setting session cookies for common domain names. 1. Set the domain of the session cookie to .example.com on the server side. 2. Choose the appropriate session storage method, such as memory, database or distributed cache. 3. Pass the session ID through cookies, and the server retrieves and updates the session data based on the ID.

HTTPS significantly improves the security of sessions by encrypting data transmission, preventing man-in-the-middle attacks and providing authentication. 1) Encrypted data transmission: HTTPS uses SSL/TLS protocol to encrypt data to ensure that the data is not stolen or tampered during transmission. 2) Prevent man-in-the-middle attacks: Through the SSL/TLS handshake process, the client verifies the server certificate to ensure the connection legitimacy. 3) Provide authentication: HTTPS ensures that the connection is a legitimate server and protects data integrity and confidentiality.

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.


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