PHP 7.0.0 Released Stable Version

The PHP development team announces the immediate availability of PHP7.0.0. This release marks the start of the new major PHP 7 Series. 

PHP 7.0.0 comes with a new version of the Zend Engine, numerous improvements and new features such as :

• Improve performance PHP 7 is up to twice as fast as PHP5.6.
• Significantly reduced memory usage. 
• Abstract Syntax Tree.
• Consistent 64bit support.
• Improved Exception hierarchy.
• Many fatal errors converted to Exceptions.
• Secure random number generator.
• Removed old and unsupported SAPIs and extensions.
• The null coalescing operator(??)
• Return and Scalar Type Declaration 
• Anonymous Classes
• Zero cost asserts.                               More Details