


It's actually easy to learn multiple programming languages at the same time
About two years ago, I made a decision to learn programming. I bought a ElaborationPHP book and started reading and doing the exercises in it. I put my main focus on PHP and ignore any other languages, because I have a habit that once we start to do something, we will concentrate all our attention on it and finish it first, and then Go do other things. So, I tried to develop a Webapplication(A wonderful idea, an application that can make me become another Facebookfounder). Little by little, the progress is very slow, and my application(This application that is about to make me a millionaire) is slowly taking shape. Finally, it ran. Naturally, no one uses it, it’s so poorly made, and there are bugs everywhere. Then I had another (wonderful) idea. I think this time I don’t have to keep flipping through books, and I don’t have to search and copy codes on google all night long, and modify them so that they can run in my application. I thought I could just sit down and write my PHP application. But I finally realized that I actually learned nothing, even though I read a lot about PHP, even though I had developed an application ( sucks, but it’s also a ) . I realized that all I had done during this entire period was learn a little bit of PHP syntax, use a few pieces of code to solve a difficult problem, and the patchwork of code ended up changing my application beyond recognition.
I was very angry and stopped all development. I completely forgot about my Webapp idea and started browsing around for all the development knowledge I found interesting. I discovered Ruby On Rails, this thing looks cool, but I don’t know why it is cool, I don’t know anything about ruby, but I spent a lot of time learning Ruby On Rails, then I learned to develop Android applications and read information related to it, which led me to learning Java, but I didn’t stop learning Rails, I’m iTunesU reported a Java course, and then when I was working, I started reading the PDF version of the Pythontextbook, because of something in Python Piqued my interest....(maybe that's the name). oh! I also have a C++ book, I found it out, and before going to bed I started to read some C++ knowledge. Since I still don't know the language Ruby, I started learning Ruby too. When I got bored of studying Java, I also tried Objective-C, and JavaScript looked good too, and I tried to master it. These are all happening at the same time.
If someone had asked me before, I would definitely say that this is the worst way to learn programming. But it turns out that this is the most effective way to learn. The result of this learning method is that I finally stopped paying attention to the syntax of PHP and started to connect the similarities between different languages. I'm actually learning the principles now, instead of searching for the correct syntax on google just to do something. I started to understand how similar things looked different in different languages and different platforms. These realizations were important to me. My focus is no longer PHP, my focus is now programming.
I hope these experiences will be helpful to those who are in the same situation as me two years ago. Those who have the same ideas as me should look at the same things through different perspectives so that they can truly understand them!
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The above has introduced that it is actually very easy to learn multiple programming languages at the same time, including aspects of content. I hope it will be helpful to friends who are interested in PHP tutorials.

PHP is a server-side scripting language used for dynamic web development and server-side applications. 1.PHP is an interpreted language that does not require compilation and is suitable for rapid development. 2. PHP code is embedded in HTML, making it easy to develop web pages. 3. PHP processes server-side logic, generates HTML output, and supports user interaction and data processing. 4. PHP can interact with the database, process form submission, and execute server-side tasks.

PHP has shaped the network over the past few decades and will continue to play an important role in web development. 1) PHP originated in 1994 and has become the first choice for developers due to its ease of use and seamless integration with MySQL. 2) Its core functions include generating dynamic content and integrating with the database, allowing the website to be updated in real time and displayed in personalized manner. 3) The wide application and ecosystem of PHP have driven its long-term impact, but it also faces version updates and security challenges. 4) Performance improvements in recent years, such as the release of PHP7, enable it to compete with modern languages. 5) In the future, PHP needs to deal with new challenges such as containerization and microservices, but its flexibility and active community make it adaptable.

The core benefits of PHP include ease of learning, strong web development support, rich libraries and frameworks, high performance and scalability, cross-platform compatibility, and cost-effectiveness. 1) Easy to learn and use, suitable for beginners; 2) Good integration with web servers and supports multiple databases; 3) Have powerful frameworks such as Laravel; 4) High performance can be achieved through optimization; 5) Support multiple operating systems; 6) Open source to reduce development costs.

PHP is not dead. 1) The PHP community actively solves performance and security issues, and PHP7.x improves performance. 2) PHP is suitable for modern web development and is widely used in large websites. 3) PHP is easy to learn and the server performs well, but the type system is not as strict as static languages. 4) PHP is still important in the fields of content management and e-commerce, and the ecosystem continues to evolve. 5) Optimize performance through OPcache and APC, and use OOP and design patterns to improve code quality.

PHP and Python have their own advantages and disadvantages, and the choice depends on the project requirements. 1) PHP is suitable for web development, easy to learn, rich community resources, but the syntax is not modern enough, and performance and security need to be paid attention to. 2) Python is suitable for data science and machine learning, with concise syntax and easy to learn, but there are bottlenecks in execution speed and memory management.

PHP is used to build dynamic websites, and its core functions include: 1. Generate dynamic content and generate web pages in real time by connecting with the database; 2. Process user interaction and form submissions, verify inputs and respond to operations; 3. Manage sessions and user authentication to provide a personalized experience; 4. Optimize performance and follow best practices to improve website efficiency and security.

PHP uses MySQLi and PDO extensions to interact in database operations and server-side logic processing, and processes server-side logic through functions such as session management. 1) Use MySQLi or PDO to connect to the database and execute SQL queries. 2) Handle HTTP requests and user status through session management and other functions. 3) Use transactions to ensure the atomicity of database operations. 4) Prevent SQL injection, use exception handling and closing connections for debugging. 5) Optimize performance through indexing and cache, write highly readable code and perform error handling.

Using preprocessing statements and PDO in PHP can effectively prevent SQL injection attacks. 1) Use PDO to connect to the database and set the error mode. 2) Create preprocessing statements through the prepare method and pass data using placeholders and execute methods. 3) Process query results and ensure the security and performance of the code.


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