| Date | Version No | PHP Version | ChangLog |
| 2004 Apr 12 | 20040412 | Bump API number so that it actually differs from PHP 4. This is needed because we don't want PHP 4 and PHP 5 extensions to be in the same directory | |
| 2004 Jul 19 | 20040718 | Bump API number due to empty_string change | |
| 2004 Oct 30 | 20041031 | ||
| 2005 Jun 16 | 20050615 | Allowed return by refrence from internal functions | |
| 2005 Jun 17 | 20050617 | Improved PHP extension loading mechanism with support for module dependencies and conflicts | |
| 2005 Sep 22 | 20050922 | 5.1.0 | |
| 2006 Jun 15 | 20060613 | 5.2.? | Added automatic module globals management |
| 2007 Sep 29 | 20070929 | ||
| 2009 Jan 17 | 20090115 | ||
| 2009 Jun 26 | 20090626 | 5.3.0 | |
| 2010 Apr 09 | 20100409 | ||
| 2010 May 25 | 20100525 | Interned string related callbacks moved turned from compiler_globals into real globals |
| Date | Version |
| June 8 1995 | PHP Tools 1.0 |
| Oct 17 1995 | PHP/FI 1.92 |
| Mar 16 1996 | PHP/FI 1.99k |
| June 16 1997 | PHP/FI 2.0b12 |
| Oct 29 1997 | PHP 3.0a1 |
| Nov 12 1997 | PHP/FI 2.0 |
| Dec 8 1997 | PHP 3.0b1 |
| Jan 9 1998 | PHP/FI 2.0.1 |
| June 6 1998 | PHP 3.0 |
| July 4 1998 | PHP 3.0.1 |
| Mar 1 1999 | PHP 3.0.7 |
| July 19 1999 | PHP 4.0b1 |
| Jan 1 2000 | PHP 3.0.13 |
| Oct 21 2000 | PHP 3.0.18 |
| May 22 2000 | PHP 4.0 |
| Oct 11 2000 | PHP 4.0.3 |
| Apr 30 2001 | PHP 4.0.5 |
| June 23 2001 | PHP 4.0.6 |
| Dec 10 2001 | PHP 4.1.0 |
| Dec 26 2001 | PHP 4.1.1 |
| Feb 27 2002 | PHP 4.1.2 |
| Apr 22 2002 | PHP 4.2.0 |
| May 13 2002 | PHP 4.2.1 |
| July 22 2002 | PHP 4.2.2 |
| Sep 6 2002 | PHP 4.2.3 |
| Dec 27 2002 | PHP 4.3.0 |
| Feb 17 2003 | PHP 4.3.1 |
| May 29 2003 | PHP 4.3.2 |
| Aug 25 2003 | PHP 4.3.3 |
| Nov 03 2003 | PHP 4.3.4 |
| Jul 13 2004 | PHP 5.0.0 & PHP 4.3.8 |
| Aug 12 2004 | PHP 5.0.1 |
| Sep 03 2004 | PHP 5.0.2 |
| Sep 22 2004 | PHP 4.3.9 |
| Dec 15 2004 | PHP 5.0.3 & PHP 4.3.10 |
| Mar 31 2005 | PHP 5.0.4 & PHP 4.3.11 |
| Jul 11 2005 | PHP 4.4.0 |
| Sep 06 2005 | PHP 5.0.5 |
| Oct 31 2005 | PHP 4.4.1 |
| Nov 24 2005 | PHP 5.1.0 |
| Nov 28 2005 | PHP 5.1.1 |
| Jan 12 2006 | PHP 5.1.2 |
| Jan 13 2006 | PHP 4.4.2 |
| May 01 2006 | PHP 5.1.3 |
| May 04 2006 | PHP 5.1.4 |
| Aug 03 2006 | PHP 4.4.3 |
| Aug 17 2006 | PHP 5.1.5 & PHP 4.4.4 |
| Aug 24 2006 | PHP 5.1.6 |
| Nov 02 2006 | PHP 5.2.0 |
| Feb 08 2007 | PHP 5.2.1 & PHP 4.4.5 |
| Mar 01 2007 | PHP 4.4.6 |
| May 03 2007 | PHP 5.2.2 & PHP 4.4.7 |
| Jun 01 2007 | PHP 5.2.3 |
| Aug 30 2007 | PHP 5.2.4 |
| Nov 09 2007 | PHP 5.2.5 |
| Jan 03 2008 | PHP 4.4.8 |
| May 01 2008 | PHP 5.2.6 |
| Aug 07 2008 | PHP 4.4.9 |
| Dec 04 2008 | PHP 5.2.7 |
| Dec 08 2008 | PHP 5.2.8 |
| Feb 26 2009 | PHP 5.2.9 |
| Jun 18 2009 | PHP 5.2.10 |
| Jun 30 2009 | PHP 5.3.0 |
| Sep 17 2009 | PHP 5.2.11 |
| Nov 19 2009 | PHP 5.3.1 |
| Dec 17 2009 | PHP 5.2.12 |
| Feb 25 2010 | PHP 5.2.13 |
| Mar 04 2010 | PHP 5.3.2 |
| Jul 22 2010 | PHP 5.3.3 & PHP 5.2.14 |
| Dec 09 2010 | PHP 5.2.15 |
| Dec 10 2010 | PHP 5.3.4 |
| Dec 16 2010 | PHP 5.2.16 |
| Jan 06 2011 | PHP 5.3.5 & PHP 5.2.17 |
| Mar 17 2011 | PHP 5.3.6 |
| Aug 18 2011 | PHP 5.3.7 |
| Aug 23 2011 | PHP 5.3.8 |
* 2011/09/19 Xinchen Hui : Draft