PHP 7.0.0 alpha 2 is released. Users are advised to carefully test this version.
Alpha 2 introduces a new throwable interface and improves the exception hierarchy, including about 25 bug fixes.
PHP 7.0.0 includes the latest version of Zend engine, including the following features:
Improve performance: PHP 7 is twice as fast as PHP 5.6
Support 64 bit
Many major errors can be exception handled
Old and unsupported sapis and extensions removed
Null merge operator (?)
Combining comparison operators (< = >)
Scalar type declaration
The next version is PHP 7.0 beta 1, which is scheduled to be released on July 9!