PHP语言发展历史
php(做为现在的主流开发语言)语言发展历史
1994年,Rasmus Lerdorf首次设计出了php(做为现在的主流开发语言)程序设计语言。
1995年6月,Rasmus Lerdorf在Usenet新闻组comp.infosystems.www.authoring.cgi(现在已经不多人在用了)上发布了php(做为现在的主流开发语言) 1.0 声明。
1996年4月,Rasmus Lerdorf在Usenet新闻组comp.infosystems.www.authoring.cgi(现在已经不多人在用了)上发布了php(做为现在的主流开发语言)第二版声明。相比php(做为现在的主流开发语言) 1 单纯的标签置换代码,php(做为现在的主流开发语言)第二版含有了可以处理更复杂的嵌入式标签语言的解析程序。
1997年,Tel Aviv 公司的Zeev Suraski 和 Andi Gutmans 自愿重新编写了底层的解析引擎,其他很多人也自愿加入了php(做为现在的主流开发语言)的其它部分而工作,从此php(做为现在的主流开发语言)成为了真正意义上的开源项目。
1998年6月,php(做为现在的主流开发语言).net发布了php(做为现在的主流开发语言) 3.0 声明。发布以后,用户数量才真正开始了飞涨。
2000年5月22日,php(做为现在的主流开发语言) 4.0 发布。该版本的开发是由希望对php(做为现在的主流开发语言)的体系结构做一些基本改变的开发者推动的,这些改变包括将语言和Web服务器之间的层次抽象化,并且加入了线程安全机制,加入了更先进的两阶段解析与执行标签解析系统。这个新的解析程序依然由Zeev Suraski 和 Andi Gutmans 编写,并且被命名为Zend引擎。
2004年7月13日,php(做为现在的主流开发语言) 5.0 发布。该版本以Zend引擎II为引擎, 并且加入了新功能如php(做为现在的主流开发语言) Data Objects (PDO)。
2004年7月13日,php(做为现在的主流开发语言) 5.0 发布.该版本以Zend引擎II为引擎, 并且加入了新功能如php(做为现在的主流开发语言) Data Objects (PDO)。

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