php7-transparentThe PHP development team announces the immediate availability of PHP 7.0.0 RC 3. This is the eighth pre-release of the new PHP 7 major series. All users of PHP are encouraged to test this version carefully, and report any bugs and incompatibilities in the bug tracking system. PHP 7.0.0 RC 3 contains fixes for 19 reported bugs and over 100 commits with various improvements. This release provides a noticeable new Opcache feature which makes possible to move PHP code pages into the huge memory pages. It can be enabled with opcache.huge_code_page=1 in php.ini and can bring about 2% performance gain on supported platforms. Please help us to test this feature by enabling it and providing feedback.

 

PHP 7.0.0 comes with new version of the Zend Engine with features such as (incomplete list):

-Improved performance: PHP 7 is up to twice as fast as PHP 5.6
-Consistent 64-bit support
-Many fatal errors are now Exceptions
-Removal of old and unsupported SAPIs and extensions
-The null coalescing operator (??)
-Combined comparison Operator (<=>)
-Return Type Declarations
-Scalar Type Declarations
-Anonymous Classes

THIS IS A DEVELOPMENT PREVIEW – DO NOT USE IT IN PRODUCTION!

REF: https://github.com/php/php-src/blob/php-7.0.0RC3/NEWS