A History of PHP
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PHP was created in 1994 by Rasmus Lerdorf. It began as a simple scripting language for generating dynamic web pages and has grown over 20+ years to become one of the most popular web development languages. PHP 7 was released in December 2015 and brought major performance improvements through optimizations in the Zend engine. While some criticize PHP's design, others appreciate how easy it is to learn, install, and find work developing with PHP due to its large community and number of open source projects that use it.
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A History of PHP
- 1. A History of PHP @laruence
- 2. SELF INTRODUCTION ‣ Author of Yaf, Yar, Yac, Yaconf, Taint Projects ‣ Maintainer of Opcache, Msgpack, PHP-Lua Projects ‣ PHP Core Developer Since 2011 ‣ Zend Consultant Since 2013 ‣ One of PHP7 Core Developers: Dmitry Stogov, Xinchen Hui, Nikita Popov ‣ Chief Software Architect at Lianjia Since 2015
- 3. W3Techs.com 100 ‣ Created in 1994 by Rasmus Lerdorf ‣ 20+ Years Programming Language ‣ Most Popular Web Service Program Language ‣ PHP7 is Released at 3 Dec 2015 ‣ Latest Version is PHP7.0.4 PHP
- 5. ‣ Tim Berners-Lee ‣ 欧洲原⼦核研究会(CERN)电话簿 ‣ World Wide Web ‣ Web的⾸要任务就是向⼈们提供 信息和信息服务 WWW(1989) Tim Berners-Lee Web ” WorldWideWeb”
- 6. ‣ FrontPage ‣ None Javascript ‣ SSI : Server Side Includes Static Pages(1990~1993)
- 7. ‣ CGI (Comm Getway Interface) ‣ CGI 1.0定义了程序和WebServer通信的接⼜ ‣ CGI ⼤部分使⽤C, Pascal等传统语⾔编写 ‣ 开发维护执⾏效率都很低 ‣ 曾经URL中随处可见的cgi-bin CGI(1993) #include <stdio.h> #include <stdlib.h> #include <ctype.h> #include <string.h> #define ishex(x) (((x) >= '0' && (x) <= '9') || ((x) >= 'a' && (x) <= 'f') || ((x) >= 'A' && (x) <= 'F')) int htoi(char *s) { int value; char c; c = s[0]; if(isupper(c)) c = tolower(c); value=(c >= '0' && c <= '9' ? c - '0' : c - 'a' + 10) * 16; c = s[1]; if(isupper(c)) c = tolower(c); value += c >= '0' && c <= '9' ? c - '0' : c - 'a' + 10; return(value); } void main(int argc, char *argv[]) { char *params, *data, *dest, *s, *tmp; char *name, *age; puts("Content-type: text/htmlrn"); puts("<HTML><HEAD><TITLE>Form Example</TITLE></HEAD>"); puts("<BODY><H1>My Example Form</H1>"); puts("<FORM action="form.cgi" method="GET">"); puts("Name: <INPUT type="text" name="name">"); puts("Age: <INPUT type="text" name="age">"); puts("<BR><INPUT type="submit">"); puts("</FORM>"); data = getenv("QUERY_STRING"); if(data && *data) { params = data; dest = data; while(*data) { if(*data=='+') *dest=' '; else if(*data == '%' && ishex(*(data+1))&&ishex(*(data+2))) { *dest = (char) htoi(data + 1); data+=2; } else *dest = *data; data++; dest++; } *dest = '0'; s = strtok(params,"&"); do { tmp = strchr(s,'='); if(tmp) { *tmp = '0'; if(!strcmp(s,"name")) name = tmp+1; else if(!strcmp(s,"age")) age = tmp+1; } } while(s=strtok(NULL,"&")); printf("Hi %s, you are %s years oldn",name,age); } puts("</BODY></HTML>"); }
- 8. ‣ PHP 1.0: Personal HomePage Tool ‣ Written in Perl ‣ Solves Problems ‣ ⾸创: HTML和脚本融合在⼀起 ‣ 开发维护效率⼤幅提升 PHP 1 (1994) <html><head><title>Form Example</title></head> <body><h1>My Example Form</h1> <form action="form.phtml" method="POST"> Name: <input type="text" name="name"> Age: <input type="text" name="age"> <br><input type="submit"> </form> <?if($name):?> Hi <?echo $name?>, you are <?echo $age?> years old <?endif?> </body></html>
- 9. ‣ PHP 2.0: PHP/FI(Form Interpreter) ‣ Written in C ‣ 还只是简单的Form解析 ‣ 没有成熟的语法结构 ‣ 加⼊了对mSQL的⽀持 ‣ Netscape Navigator 2.0: LiveScript ‣ 1996: 50000个域名使⽤PHP PHP 2 (1995 ~ 1997)
- 10. ‣ PHP: PHP: Hypertext Preprocessor ‣ Andi, Zeev重写了Parser ‣ 终于是⼀门语⾔了(较完备的语法结构) ‣ 最关键的: 弱类型, 可扩展的语⾔ PHP 3 (1998)
- 11. ‣ Zend Engine 1.0 ‣ 基本的OO⽀持 ‣ 会话⽀持 ‣ 性能提升 ‣ 社区快速发展 PHP 4 (2000)
- 12. ‣ Yahoo! 从YScript迁移到了PHP ‣ Rasmus Lerdorf 也⼊职Yahoo! PHP 4 (2002)
- 13. ‣ Zend Engine 2.0 ‣ 更好的OO⽀持 ‣ PDO的引⼊ ‣ 性能提升 ‣ 社区快速成长 PHP 5 (2004)
- 14. ‣ Use or Not Use Framework Framework?(2005~2008)
- 15. ‣ Unicodes⽀持 ‣ 然⽽.... PHP 6 (2005)
- 16. ‣ HipHop ‣ JPHP ‣ Zephir ‣ Yaf ‣ Phalcon Performance(2010+)
- 17. ‣ Secret Project by Zend ‣ Dmitry, 我 ‣ Opcache + LLVM ‣ Benchmark超过了HHVM但实际项⽬中看不到提升 ‣ 但是我们看到了⼀个新的⽅向 PHP5 JIT (2013)
- 18. ‣ Zend Engine 3.0 ‣ Dmitry, 我, 以及Nikita ‣ 基于PHP5.5 Opcache JIT项⽬ ‣ 最⼤的⼀次重构, 历时⼀年多开发 ‣ PHP最⼤的性能提升版本 PHP 7 (2014)
- 19. ‣ http://phpsadness.com/ ‣ http://eev.ee/blog/2012/04/09/php-a-fractal-of-bad-design/ ‣ http://blog.codinghorror.com/the-php-singularity/ ‣ http://webonastick.com/php.html ‣ http://aurelio.audero.it/blog/2014/02/05/why-people-think-php-sucks/ ‣ https://maurus.net/resources/programming-languages/php/ ‣ http://www.bitstorm.org/edwin/en/php/ ‣ https://teamtreehouse.com/forum/why-php-sucks ‣ https://www.reddit.com/r/PHP/.../why_do_so_many_developers_hate_php/ ‣ https://www.quora.com/.../Is-PHP-a-badly-designed-programming-language/ ‣ 还有很多… 有些⼈不喜欢PHP
- 20. ‣ Haters Gonna Hate ‣ They Are True ‣ History is History ‣ Use The Right Tool ‣ If you like it, Ignore the hate, Get things done 语⾔只是⼯具 Shake if off - Taylor swift
- 21. ‣ 易学习 ‣ 易安装 ‣ 社区庞⼤ ‣ 开源系统繁多 ‣ 容易找⼯作 :) PHP的优点
- 22. ‣ 1000+开发⼈员 ‣ 近百万的使⽤者 ‣ 上千万的域名 ‣ …. 未来
- 24. ‣ http://w3techs.com/technologies/overview/programming_language/all ‣ https://zh.wikipedia.org/wiki/Tim_Berners-Lee ‣ http://talks.php.net/confoo16#/2 ‣ http://www.slideshare.net/isotopp/20-years-of-php ‣ http://php.net/manual/en/history.php.php Links
- 25. Q&A