PHP Stable Versions Info
| 1.0.0 | June 8th, 1995 | At first php was called as "Personal Home Page" PHP tool |
| 2.0.0 | Nov 1st, 1997 | This is considered as fastest tool and very simplest tool for creating and developing dyamic web pages and web sites. |
| 3.0.0 | June 6th, 1998 | Now, Multiple developers came into scene and rewritten the base version and released in this version. |
| 3.0.18 | Oct 20th, 1999 | Stable release for PHP 3.0.x. There are many unsupported releases. |
| 4.0.0 | May 22nd, 2000 | Added Zend engine: It is more advanced systemto parse or execute php |
| 4.1.0 | Dec 10th, 2001 | Concept of SuperGlobals introduced. Read more on superglobals. |
| 4.2.0 | April 22nd, 2002 | register_globals were disabled by default( click to know how to enable them ). By this action (disabling register_globals) more security is given to applications. |
| 4.3.0 | Dec 27th, 2002 | CLI and CGI concepts were introduced to PHP |
| 5.0.0 | July 13th, 2004 | Zend Engine is now developed with new object model. Most of the bugs were fixed which were introduced in last versions. With this version, PHP now is completely supporting oops concepts. |
| 5.1.0 | Nov 24th, 2005 | In this version, Performance is improved alot, by introducing compiler variables for PHP Engine. New concept of PDO ( PHP Data Objects ) is introduced. |
| 5.2.0 | Nov 2nd, 2006 | Filter extension is now enabled by default in this version. JSON is also supported from this version |
| 5.2.17 | Jan 6th, 2007 | Critical bug related to floating point is fixed and made this version as stable |
| 5.3.0 | June 30th, 2009 | In this version, Microsoft windows support is improved. SQLLite 3 is introduced. |
| 5.3.1 | Nov 11th, 2009 | Security issues are fixed and more over 100 bugs are fixed. |
| 5.3.2 | March 4th, 2010 | This version includes more fixes which were introduced last versions. |
| 5.3.7 | Aug 18th, 2011 | In this release, it mainly focused on increasing the stability of PHP 5.3.x versions with more than 90 bug fixes. Most of them are related to security holes. |
| 5.3.8 | Aug 23rd, 2011 | This release fixed other 2 issues and now it is made stable version and can be used for developing applications. |
