The lastest stable versions of PHP (as of March 3, 2012):
PHP 5.4: Version 5.4.1
PHP 5.3: Version 5.3.11
The latest stable version is 5.3.8
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The latest PHP versions are:PHP 5.3.4 (09 December 2010)Stable:PHP 5.3: version 5.3.3 (22 July 2010)PHP 5.2: version 5.2.14 (22 July 2010)Release Candidates:PHP 5.2: version 5.2.14RC1 (17 June 2010)
As of 01 May 2010 the latest released versions are PHP 5.2.13 and PHP 5.3.2.
See the related links for a shortcut to the entire reference of every function in PHP. The default built-in functions differ from the categories of extensions you choose to install, and the version of PHP you're installing - therefore, it's impossible to give a stable list of built-in functions.
As of 19 December 2017, the latest stable version of PHP is 7.2.0.
The latest stable version is 5.3.8
V5.3.8
Any version released before the current stable release is considered an old version of PHP.
The latest stable version is 25.0.1
Probably 5.4. In either case try the below method to get the version on your computer <?php echo phpversion(); ?>
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The latest PHP versions are:PHP 5.3.4 (09 December 2010)Stable:PHP 5.3: version 5.3.3 (22 July 2010)PHP 5.2: version 5.2.14 (22 July 2010)Release Candidates:PHP 5.2: version 5.2.14RC1 (17 June 2010)
Use PHP 5.4 version latest library .
Latest stable version is 3.9.
the latest stable version is 3.4.4
The 5.3(.0) release of PHP is in a stable state. It is always recommended to upgrade to the newest version of PHP, as newer versions may become more security-stable, easier to use, and equipped with more possibilities.