Shulou(Shulou.com)06/02 Report--

This article mainly introduces the PHP environment building tutorial in detail by the way of combining picture and text, and introduces the history and advantages of php language. Interested friends can refer to it.

Preface

PHP originated in 1995 and was developed by Rasmus Lerdorf. Up to now, PHP has been washed for decades and has become one of the most popular scripting languages in the world. Because PHP5 is an object-oriented, completely cross-platform new Web development language, it is very practical both from the developer's point of view and from the economic point of view. PHP language is simple in structure and easy to get started, and many functions can be realized with only one function. Many organizations have launched new technologies such as IDE http://www.bbqmw.net/qm_bbqmbd/ tools and Zend search engines for developing PHP.

An overview of what is PHP

PHP (Hypertext Preprocessor, hypertext preprocessor) is a server, cross-platform, HTML embedded scripting language. Its unique syntax combines the characteristics of C language, Java language and Perl language. It is a widely used open source multi-purpose scripting language, especially suitable for Web development.

PHP is a three-tier architecture of Browser/Server S (browser / Server). After the server is started, users can access it without using client software but only using a browser, which not only maintains a graphical user interface, but also greatly reduces the amount of application maintenance.

Advantages of PHP language

PHP originates from free software and open source code. Using PHP to develop Web applications has the following advantages.

High security: PHP is open source software, and everyone can see all the source code of PHP. The way the program code is compiled with Apache makes its security settings more flexible. PHP has recognized security performance.

Cross-platform features: PHP supports almost all operating system platforms, and supports Apache, IIS and other Web servers.

Support a wide range of databases: can manipulate a variety of mainstream and non-mainstream databases, such as MySQL, Access, SQL Server, Oracle, DB2, etc., among which PHP and MySQL are the best combination, and their combination can run across platforms.

Easy to learn: PHP embedded in HTML language, mainly script language, built-in rich functions, simple grammar, easy to write, easy for readers to learn and master.

Fast execution speed: takes up less system resources, and the code execution speed is fast.

Free: in the popular enterprise application LAMP platform, Linux, Apache, MySQL and PHP are all free software. this open source and free framework can save website operators a lot of money.

Templating: separate the program logic from the user interface.

Support for object-oriented and process: supports both object-oriented and process development styles, and is backward compatible.

Embedded Zend acceleration engine, stable and fast performance.

New features of PHP5

Constructors and destructors.

A reference to the object.

A clone of the object.

Private, public, and protected modes in the.

Interface.

Abstract class.

_ _ call .

_ set and _ _ get.

Static member.

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