History of PHP
1994 written in Perl by Rasmus Lerdorf and later rewritten in C language
1995 Rasmus Lerdorf to Personal Home Page Tools (PHP Tools)
release PHP1 and PHP2
1997 Zeev Suraski and Andi gutmans rewrite PHP parser, PHP also at this time changed to callPHP:Hypertext Preprocessor
1998 Zeev Suraski and Andi Gutmans released PHP3
1999 Zeev Suraski and Andi Gutmans released the parser and Zend Engine
set up Zend Technologies to manage PHP development
2000 Zend Engine 1.0-based PHP4 officially released
2004 the second generation of Zend Engine-based PHP5 officially released
2013 PHP Development Team launches PHP 5.5.0, no longer supports Windows XP and 2003 systems
November 12, 2015 will be officially released PHP7
Abbreviation
PHP original for Personal Home Page
the abbreviation, which is later PHP: Hypertext Preprocessor
the abbreviation, this condition is called递归缩写
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History of PHP