What is PHP 7 ?

PHP 7 is the latest version of PHP.It was released on 3-Dec-2015.PHP 7 offers fast performance for online applications and websites. PHP 7 contains so many cool features that are give below.

New Feature

Some most significant feature of PHP 7 are given below.

Speed: PHP 7 is twice as fast as PHP 5.

Scalar type declarations: Now we can specify the type (int,float,array,etc) of variable that a function should return and parameters of functions.

Lower Memory Usage: Now we can specify the type (int,float,array,etc) of variable that a function should return and parameters of functions.

Improved Exception hierarchy: Exception hierarchy has been improved in PHP 7.

Anonymous Classes: Support for Anonymous Classes has been added in PHP 7 .

New operators : The null coalescing operator (??) is added..

The foundation of PHP 7 is a PHP branch that was originally dubbed PHP next generation (phpng). It was authored by Dmitry Stogov, Xinchen Hui and Nikita Popov.PHP 7 uses Zend Engine 3.0.