Is php a tool or a technology?

PHP is a programming language and a technology. Let’s take a look at Baidu Encyclopedia’s explanation of PHP:

PHP is “hypertext preprocessor”. It is a general-purpose open source scripting language. PHP is a scripting language executed on the server side. It is similar to C language and is a commonly used website programming language.

PHP's unique syntax mixes C, Java, Perl and PHP's own syntax. It is conducive to learning and widely used. It is mainly suitable for the field of web development.

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. (Recommended learning,

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According to the requirements of dynamic websites, the PHP language as a language program, its specificity gradually becomes apparent in the application process, and its technical level is related to Whether it 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

(1) Open source and free nature

Since the source code of the PHP interpreter is public, websites with higher security factors can Change PHP's interpreter yourself. In addition, the use of the PHP runtime environment is also free.

(2) Quickness

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. Moreover, the concept of object-oriented is added, and it has concise grammatical rules, making it very simple to operate and edit, and very practical.

(3) Extensibility of database connections

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 For connection purposes, PHPLIB is a commonly used base library provided for general transactions.

(4) Use process-oriented and object-oriented 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. , which is something that many other programming languages ​​cannot do.

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