PHP 5.5.0 released.
20-Jun-2013
The PHP development team is proud to announce the immediate availability of PHP 5.5.0. This release includes a large number of new features and bug fixes.
The key features of PHP 5.5.0 include:
- Added generators and coroutines.
- Added the finally keyword.
- Added a simplified password hashing API.
- Added support for constant array/string dereferencing.
- Added scalar class name resolution via ::class.
- Added support for using empty() on the result of function calls and other expressions.
- Added support for non-scalar Iterator keys in foreach.
- Added support for list() constructs in foreach statements.
- Added the Zend OPcache extension for opcode caching.
- The GD library has been upgraded to version 2.1 adding new functions and improving existing functionality.
- A lot more improvements and fixes.
Changes that affect compatibility:
- PHP logo GUIDs have been removed.
- Windows XP and 2003 support dropped.
- Case insensitivity is no longer locale specific. All case insensitive matching for function, class and constant names is now performed in a locale independent manner according to ASCII rules.
For users upgrading from PHP 5.4, a migration guide is available detailing the changes between 5.4 and 5.5.0.
For a full list of changes in PHP 5.5.0, see the ChangeLog.
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