Editing PHP (section)

=== PHP 3 and 4 ===
[[File:Custom-software-developement-php-net.JPG|thumb|This is an example of PHP code for the [[WordPress]] [[content management system]].]]
[[Zeev Suraski]] and [[Andi Gutmans]] rewrote the [[parser]] in 1997 and formed the base of PHP&nbsp;3, changing the language's name to the [[recursive acronym]] ''PHP: Hypertext Preprocessor''.<ref name="The PHP Group" /><ref>{{cite web|title=PHP{{snd}} Acronym Meaning Vote |url=http://il.php.net/vote_listing.php3 |website=PHP.net |archive-date=August 15, 2000 |url-status=dead |archive-url=https://web.archive.org/web/20000815063125/http://il.php.net/vote_listing.php3}}</ref> Afterwards, public testing of PHP&nbsp;3 began, and the official launch came in June 1998. Suraski and Gutmans then started a new [[rewrite (programming)|rewrite]] of PHP's core, producing the [[Zend Engine]] in 1999.<ref>{{cite web | title = Zend Engine version 2.0: Feature Overview and Design | publisher = [[Zend]] Technologies Ltd. | url = http://www.zend.com/zend/zend-engine-summary.php | access-date = 2006-09-17 | archive-url = https://web.archive.org/web/20060719204721/http://www.zend.com/zend/zend-engine-summary.php | archive-date = 2006-07-19 | url-status = dead}}</ref> They also founded [[Zend Technologies]] in [[Ramat Gan]], [[Israel]].<ref name="The PHP Group" />

On 22 May 2000, PHP 4, powered by the Zend Engine 1.0, was released.<ref name="The PHP Group" /> By August 2008, this branch had reached version 4.4.9. PHP&nbsp;4 is now no longer under development and nor are any security updates planned to be released.<ref name="The PHP Group-2007a">{{cite web|title=php.net 2007 news archive|url=https://www.php.net/archive/2007.php|publisher=The PHP Group|access-date=2008-02-22|date=2007-07-13}}</ref><ref>{{cite web |access-date=2018-12-16 |url=https://www.internetnews.com/developer/php-4-is-dead%ef%bf%bdlong-live-php-5/|title=PHP&nbsp;4 is Dead—Long Live PHP&nbsp;5 |publisher=InternetNews |date=2008-02-01 |last=Kerner |first=Sean Michael |archive-url=https://web.archive.org/web/20180806115411/http://www.internetnews.com/dev-news/article.php/3725291 |archive-date=2018-08-06}}</ref>