Summary of new features of PHP7

The following are the related updates and knowledge points about PHP7 compiled by this site.

New features

PHP 7 adds many features, the most important of which are described below

Performance improvement-PHPNG code is incorporated in PHP 7, which is twice as fast as PHP 5.

Lower memory consumption-The optimized PHP 7 uses fewer resources.

Scalar type declaration-you can now enforce parameter and return types.

64-bit support-1 support for 64-bit architecture computers.

• Exception hierarchy--The exception hierarchy has been improved.

Many fatal errors are converted to exceptions-the scope of exceptions is increased, including many fatal errors converted as exceptions.

Secure random number generator-add a new secure random number generator API.

Deprecated SAPI and extensions removed--Various old and unsupported SAPI and extensions have been removed from the latest release.

The empty merge operator (? ? )--Added a new empty merge operator.

Return type and scalar type declaration-support for adding return type and parameter type.

Anonymous class-supports adding anonymity.

Zero cost asserts-Support for adding Zero cost asserts.

PHP 7 uses the new Zend Engine 3.0 to improve application performance, which is almost twice as good as PHP 5.6 and has increased memory consumption by 50%. It allows more concurrent users to be served without any additional hardware. PHP 7 is designed and reconfigured based on the current workload.

This article is about the introduction of PHP7, hoping to help friends in need!