PHP 是一种易于学习和使用的后台开发技术，用户只需具备很少的编程知识，就可以使用 PHP 建立一个具有交互功能的 Web 站点。PHP 同样也是一种嵌入式 HTML 脚本语言，大多数语法来源于 C 语言，也有一部分 PHP 特性借鉴于 Java 和 Perl 语言。
PHP 最大的特色是简单并与 MySQL 天生的结合性。从目前市场情况看，大约有 2200 万家网站采用 PHP 技术，而且数量还在持续增加中。PHP 技术也受到计算机工业巨头的支持，像 IBM 和 Oracle 都致力于开发支持 PHP 软件以顺利读取其下数据库的程序，支持 PHP 的发展。
本教程主要介绍了如何利用 PHP+MySQL 搭建网站，从开始的域名申领、数据库的建立到网站基本功能的开发。让读者能够根据教程，了解并搭建自己的网站。
适用人群
高级 PHP 网站开发人员，特别适合于有编程基础，希望全面学习 PHP 技术，提高实际应用能力的读者群体。
学习前提
- 比较熟悉 PHP 语言。
- 对 MySQL 数据库有一定了解，能够简单的操作数据库配置并做些增删改查的操作。
鸣谢 作者：kaka
出处： 【转载】 http://blog.csdn.net/u011156012/article/category/3254867
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PHP and Frameworks: Modernizing the LanguageApr 18, 2025 am 12:14 AMPHP remains important in the modernization process because it supports a large number of websites and applications and adapts to development needs through frameworks. 1.PHP7 improves performance and introduces new features. 2. Modern frameworks such as Laravel, Symfony and CodeIgniter simplify development and improve code quality. 3. Performance optimization and best practices further improve application efficiency.
PHP's Impact: Web Development and BeyondApr 18, 2025 am 12:10 AMPHPhassignificantlyimpactedwebdevelopmentandextendsbeyondit.1)ItpowersmajorplatformslikeWordPressandexcelsindatabaseinteractions.2)PHP'sadaptabilityallowsittoscaleforlargeapplicationsusingframeworkslikeLaravel.3)Beyondweb,PHPisusedincommand-linescrip
How does PHP type hinting work, including scalar types, return types, union types, and nullable types?Apr 17, 2025 am 12:25 AMPHP type prompts to improve code quality and readability. 1) Scalar type tips: Since PHP7.0, basic data types are allowed to be specified in function parameters, such as int, float, etc. 2) Return type prompt: Ensure the consistency of the function return value type. 3) Union type prompt: Since PHP8.0, multiple types are allowed to be specified in function parameters or return values. 4) Nullable type prompt: Allows to include null values and handle functions that may return null values.
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