What is PHP? What is it used for?

Introduction:

php is a computer programming language. It is the most popular website program development language today. Most companies All use the php programming language for website development work.

What are its characteristics?

1. Open source and free

Since the source code of the PHP interpreter is public, websites with higher security factors can change the PHP interpreter by themselves. In addition, the use of the PHP runtime environment is also free.

2. Fast and efficient

PHP is a language that is very easy to learn and use. Its syntax features are similar to C language, but it does not have the complex address operations of C language, and The object-oriented concept is added, and it has concise syntax rules, making it very simple to operate and edit, and very practical. PHP can establish connections with many mainstream databases, such as MySQL, ODBC, Oracle, etc. PHP uses different compiled functions to establish connections with these databases. PHPLIB is a commonly used base library provided for general transactions.

Process and object-oriented are used together. In the use of PHP language, you can use process-oriented and object-oriented respectively, and you can mix PHP process-oriented and object-oriented together. This is something that many other programming languages ​​cannot do. Arrived.

3. Strong scalability

PHP is currently the most popular programming language, there is no doubt about it. It drives more than 200 million websites around the world, and more than 81.7% of the world's public websites use PHP on the server side. PHP's commonly used data structures are all built-in. It is convenient and simple to use, not complicated at all, and its expression ability is quite flexible.

PHP is constantly compatible with technologies such as closures and namespaces, while taking into account performance and currently popular frameworks. After version 7, it has been providing higher performance applications.

In the process of patching vulnerability upgrades in the PHP language, the core part of the PHP language is simple, easy to implement, and fast.

PHP language can retrieve various types of data from the database during database application, with high execution efficiency.

(Learning video sharing: php video tutorial)

Prospects:

Today, network technology is advancing at a rapid pace Development, and enterprises must also keep pace with the times. Only by attaching great importance to and making full use of network technology can the network become a driving force for the development of enterprises in the actual operation process. As a universal language for website development, PHP language is simple, easy to implement, has good portability and has a wide application space, so it is gradually welcomed by website developers. Therefore, it has good application prospects in the process of industry website construction.

Compared with other commonly used languages, PHP language has obvious advantages. Better portability, reliability and higher operating efficiency make the PHP language the best in the current industry website construction. Using PHP language for industry website design can realize real-time updates of the database, making daily maintenance and management of the website simple and easy, thereby improving user efficiency.

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