What are the new features of PHP7:

PHP7 on the basis of PHP5 and made a qualitative upgrade, of course, change a lot, I here with my summary of the simple, mainly occurred following these changes:

Removed some of the old features

ZEND engine upgrade to ZEND 3, known as PHP NG

Add abstract syntax trees to make compilation more scientific

INT support for a bit

Unified variable Syntax

of the soundtrack TLS- meaningful for extended development

improvements to the consistency foreach Loop

new <=>,* *,?? , \u{xxxx} operator

Added declaration of return type

Added a scalar type of declaration

The core error can be caught by an exception

Added context-sensitive lexical analysis

What are the new features of PHP7: