PHP 5.0.2 :

Des nouvelles modifications dans certaines fonctions et des correction de bogues principalement :

+ Added new boolean (fourth) parameter to array_slice() that turns on the preservation of keys in the returned array. (Derick)
+ Added the sorting flag SORT_LOCALE_STRING to the sort() functions which makes them sort based on the current locale. (Derick)
+ Added interface_exists() and make class_exists() only return true for real classes. (Andrey)
+ Added PHP_EOL constant that contains the OS way of representing newlines. (Paul Hudson, Derick)
+ Implemented periodic PCRE compiled regexp cache cleanup, to avoid memory exhaustion. (Andrei)
+ Renamed SoapClient->__call() to SoapClinet->__soapCall(). (Dmitry)

PHP 4.3.9 :

+ GPC input processing fixes.
+ Implemented periodic PCRE compiled regexp cache cleanup, to avoid memory exhaustion.
+ Fixed bug with raw_post_data not getting set.
+ Fixed a file-descriptor leak with phpinfo() and other 'special' URLs.
+ Rewritten UNIX and Windows install help files.
+ Updated PCRE to provide better error handling in certain cases.
+ NSAPI: added "bucket" parameter to list of non-php.ini-keys of php4_execute for doing performance stats without warnings in server-log.

  Download : http://www.php.net/downloads.php
  ChangeLog PHP 4 : http://www.php.net/ChangeLog-4.php#4.3.9
  ChangeLog PHP 5 : http://www.php.net/ChangeLog-5.php#5.0.2