The PHP development team announces the immediate availability of
PHP 7.0.0 RC 4. This is the ninth 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.

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

PHP 7.0.0 RC 4 contains fixes for 22 reported bugs and over 100 commits with various improvements.

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

For more information on the new features and other changes, you can read the
NEWS file, or the
migration guide
for a complete list of upgrading notes. NEWS and UPGRADING files can also be found in
the release archive.

For source downloads of PHP 7.0.0 RC 4 please visit
the download page, Windows source and binaries
can be found on windows.php.net/qa/.

The next release will be RC 5, which is to be released on the 15th of October. You can also
read the full list of planned releases on our wiki.

Thank you for helping us make PHP better.