Upgrading to PHP 7

4.2/5 ( ratings)

Upgrading to PHP 7
By Davey Shafik
Publisher: O'Reilly
Released: November 2015
PHP 7—the most dramatic update to the language in over a decade—has arrived. This O’Reilly report provides you with a short guide to the major changes in this new release, including a revamped engine , a bunch of new features, and lots of language cleanup. You’ll learn about basic language changes, deprecated features, Unicode enhancements, changes in Object-Oriented programming, and other enhancements.

You’ll also discover why it’s taken more than 10 years for the first new major version of PHP since PHP 5 to appear—and what happened to version 6 in the meantime.

Get important details regarding changes to PHP 7, including:

Deprecated features, starting with alternative PHP tags and POSIX-compatible regular expressions
Uniform Variable Syntax, including consistency fixes and new syntax
Basic language changes, such as new operators, constant arrays, new functions, and regular expressions
Expectations and Assertions
Error handling
Enhancements to PHP’s Unicode, closure, and Generator features
Changes in Object-Oriented programming
Scalar type hints
Davey Shafik is a full-time developer with over 14 years of experience in PHP and related technologies. A Developer Evangelist at Akamai Technologies, he also co-organizes the Prompt initiative , which is dedicated to lifting the stigma surrounding mental health discussions.