What is the Chinese meaning of PHP-PHP Problem-php.cn

PHP's Chinese meaning is "hypertext preprocessor". It is a cross-platform, open source, server-side scripting language, mainly suitable for web development. Advantages of PHP: 1. Low learning cost; 2. Easy to use; 3. Good database support; 4. Support for object-oriented; 5. High development efficiency; 6. Cross-platform; 7. Rich ecosystem, etc.

What is the Chinese meaning of PHP

The operating environment of this tutorial: Windows 7 system, PHP version 7.1, DELL G3 computer

PHP's full name is PHP Hypertext Preprocessor, which is "hypertext" Preprocessor" means. It is a cross-platform, open source, server-side execution scripting language. Its syntax absorbs the characteristics of C language, Java and Perl. It is easy to learn and widely used. It is mainly suitable for the field of Web development.

PHP language is one of the most popular web development languages. It is favored by web developers for its easy learning, fast development, and stable performance. Not only does it have a large number of users, but it also has strong community support, making it very fast to develop web applications with PHP or learn the PHP language.

PHP is a language born on the Internet, used on the Internet, and developed on the Internet. It has been marked with free development since its birth. Currently, there are tens of thousands of websites of individuals and organizations at home and abroad studying, developing and improving it in various forms and languages, and constantly publishing the latest applications and research results.

Advantages of PHP language

The following are some advantages of PHP language.

1. Low learning cost

PHP is quick to learn, low in development cost, relatively simple in syntax, and provides a rich class library, such as for image processing GD library, various encryption extensions (such as OpenSSL and Mcrypt), etc., and many libraries are installed in the PHP environment by default and can be used directly.

2. Easy to use

PHP can be easily and quickly built by combining Linux, Nginx or Apache and MySQL. PHP also supports direct calling of system commands. In this way, many operations can be completed with code, such as packaging and compression, copy and paste, renaming, executing grep query and filtering in Linux, etc.

Nginx is a very excellent web server software. It can receive client requests and send PHP files to the PHP program for execution. PHP in Nginx uses fastCGI to run scripts.

3. Good database support

PHP supports the use of MySQL, MSSQL, SQLite and other databases, among which the combination of PHP and MySQL is the most popular.

Taking MySQL as an example, PHP provides 3 ways to connect to the MySQL database:

MySQL extension: no longer supported in PHP 5.5 and later versions.

MySQLi extension: A more secure and efficient extension launched by PHP specifically for linking to MySQL, and provides some more advanced operations, fully supporting object-oriented.

PDO extension: A unified solution introduced by PHP to link MySQL and other types of databases. It is highly portable. It can be used to flexibly and conveniently switch between different types of databases without changing more code.

4. Support object-oriented

Object-oriented programming (OOP) is the current software development trend, and PHP provides good support for OOP. You can use OOP ideas to perform advanced programming of PHP, which is very meaningful for improving PHP programming capabilities and planning a good web development architecture.

5. High development efficiency

Because PHP is a scripting language that is interpreted and executed, the program can be executed immediately after writing it, unlike compiled programs such as C, Java, and C The language needs to be compiled and then executed, which makes PHP development more efficient.

6. Cross-platform

PHP can run under Unix, Linux, Windows, Mac OS and other systems, and can well meet the different needs of website development and construction. need.

7. Rich ecosystem

As one of the most popular and widely used Web development languages, PHP has a rich ecosystem and many famous open source frameworks. and open source systems are available.

Excellent PHP open source framework:

Official open source frameworks include Zend Framework, CakePHP, Yaf, Symfony, etc.;
Third-party open source frameworks include ThinkPHP, Laravel, Yii, etc.

Excellent PHP open source system:

Open source blog (Blog) systems include WordPress, Z-Blog, emlog, etc.;
Open source content management systems (CMS) include DedeCMS (Dream Weaver CMS), PHPCMS, EmpireCMS (Empire CMS);
Open source forum system (BBS ) include Discuz, PHPwind, StartBBS, etc.;
open source social network systems (SNS) include UCHome, ThinkSNS, etc.;
open source mall Systems Ecshop, ShopEx, etc.

Based on these excellent open source frameworks and systems, we can easily and quickly build a set of Web sites.

8. Excellent scalability

Since PHP itself is developed in C language, in some cases where there are strict requirements on performance, you can also use C language to write PHP extensions to improve the execution speed of the program.

After we use PHP to write the code for the main business, we then use C language to complete the performance improvement requirements. This can not only ensure the efficiency of software development, but also take into account the efficiency of execution.

In this situation where there is an ultimate pursuit of software development speed and program execution performance, if it is other languages, you may be at a loss or have to start over.

9. Numerous users

Many large domestic companies, such as Baidu, Taobao, 360 and other companies, widely use PHP as a development language. In specific practice, it has Great success has been achieved and there are many successful experiences to draw from.

Application fields of PHP

1) WEB server

PHP is especially suitable for website development , no language can compete with it (according to statistics from the authoritative technology website w3techs.com, PHP is used by 79% of websites).

Of course, PHP can be used not only in website development, but also in game development, advertising system development, API interface development, mobile backend development, and internal OA system development.

Nowadays, WeChat development is extremely popular, and PHP is also the best development tool. With the birth of the react native framework and Hybrid App, PHP programmers can even develop mobile apps.

2) Command line script

We can also run PHP scripts through the command line mode. This mode does not require server support or browser triggering. Only the PHP parser is required to execute in command line script mode. Usually this method is used for daily running scripts under Windows and Linux platforms, such as certain daemons, etc. Of course these scripts can also be used to process simple text.

3) Writing desktop applications

PHP may not be the best language for developing desktop applications with graphical interfaces, but if the user is very If you are proficient in PHP and want to use some of PHP's advanced features in client applications, you can use PHP-GTK to write these programs.

PHP-GTK is an extension of PHP. Using PHP-GTK, you can create independent GUI (graphical user interface) applications, such as mp3 players, text editors, database backends, etc. PHP-GTK can be downloaded from http://gtk.php.net/.

Recommended learning: "PHP Video Tutorial"

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