What does PHP free and open source mean?

PHP was originally the abbreviation of Personal Home Page and has been officially renamed "PHP: Hypertext Preprocessor". Since the domestic Internet began to develop in the 1990s, Internet information has covered almost all areas of knowledge in our daily activities, and has gradually become an indispensable part of our lives, studies, and work. According to statistics, since 2003, the size of my country's web pages has basically maintained a doubling growth rate and is on an upward trend. As the most popular website program development language today, PHP language has the advantages of low cost, fast speed, good portability, and rich built-in function libraries. Therefore, it is used by more and more companies. Website under development. However, with the continuous upgrading of the Internet, many problems have arisen in the PHP language.

According to the requirements of dynamic websites, as a language program, the specificity of PHP language gradually becomes apparent during the application process. Its technical level will directly affect the operating efficiency of the website.

It is characterized by open source code and high similarity in programming with general-purpose languages ​​such as C language. Therefore, it is easy to understand and has strong operability during operation. At the same time, the PHP language has a high level of data transmission, processing and output, and can be widely used in Windows systems and various types of Web servers. If the amount of data is large, the PHP language can also broaden the link surface and connect to various databases to alleviate the pressure of data storage, retrieval and maintenance. With the development of technology, PHP language search engines can also tailor their services to implement personalized services, such as classifying, collecting and storing data according to customer preferences, which greatly improves data operation efficiency.

Main features of PHP

Because the source code of the PHP interpreter is public, the security factor is high Websites can change the PHP interpreter themselves. In addition, the use of the PHP runtime environment is also free.

PHP is a language that is very easy to learn and use. Its grammatical features are similar to C language, but not as complicated as C language. Address operation, and the addition of object-oriented concepts, coupled with its concise syntax rules, make it very simple to operate and edit, and highly practical.

Extensibility of database connections

PHP can establish connections with many mainstream databases, such as MySQL, ODBC, Oracle, etc. PHP uses different compiled functions and These databases are connected to each other, and

PHPLIB is a commonly used base library provided for general transactions.

In the use of PHP language, you can use process-oriented and object-oriented respectively, and you can use both process-oriented and object-oriented PHP They can be mixed together, which is something that many other programming languages

cannot do.

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