PHP 7 – Introduction

PHP 7 was released on 3 December 2015. One of the most exciting event and release of PHP 7 version after the major release of PHP 5. This release is considered to be the most features and important change in PHP programming language.

PHP 7 introduces many new features and lots of performance upgrades.

PHP 7 also removes some old functionalities and features which were not compatible with old applications while migrating to new version.

What’s new in PHP 7?

• Scalar type declarations
• Return type declarations
• Null coalescing operator
• Spaceship operator
• Constant arrays using define()
• Anonymous classes
• Closure::call()
• Generator delegation
• Generator return expressions
• CSPRNG functions
• Expectations

In PHP 7, the server can return pages to the users almost twice as fast.