Exploring PHP 8.0
Exploring PHP 8.0
About the Book
PHP 8.0 is a landmark release, including major new features, minor cleanup, and everything in between. This free ebook, provided by Platform.sh, walks you through everything there is to know about PHP 8.0.
Filled with in-depth explanations, examples, historical context, and the occasional pun, think of it as the only changelog you will ever enjoy reading.
About the Author
Table of Contents
-
- Introduction
-
Headline features
-
Constructor Property Promotion
- Valuing your data
-
Just-In Time-compilation
- Some background
- Just in Time
- The PHP JIT
- How to configure the JIT
- Will it help?
-
Attributes
- A history of change
- Getting meta
- A practical example
- Coming soon to a framework near you
- Promoted arguments
- Native attributes
- A long list of credits
-
Named arguments
- Named parameters
- Named variadics
- Limitations
- But … why?
- Arguments in attributes
- Named arguments about arguments
- API implications
-
Constructor Property Promotion
-
Feature improvements
-
Union types
- Specialty unions
- The Stringable interface
-
match()expressions - Trailing commas in function definitions and closures
- Weak Maps
- New string functions
- Token objects
- Variable dereferencing
- Type-respecting variadics
- Safe division
-
Class and object improvements
- Object class constant
- Static return types
- Private inheritance
- Trait method validation
-
Date and time handling
-
pdate formatter -
DateTimeInterface::createFromInterface() - New formatting options for Intl extension
-
-
Locale improvements
- Locale-independent float casting
-
New
printf()formatting codes
-
Error handling improvements
-
throwexpressions -
Non-capturing
catch -
get_debug_type() - PDO error handling
- Regex errors
- Thrown trace string length
-
ValueError
-
- CMS support
-
Union types
-
Changes and backward compatibility challenges
- Stable sorting
- Numeric string handling
- Non-numeric Arithmetic
- Extensions in, extensions out
- Stricter magic
- Stricter warnings and errors
-
Resource evolution and devolution
-
get_resource_id()
-
-
PHP 8 on Platform.sh
-
Starting with Platform.sh
- Create a free trial
- Create a project
- A brief tour of the console
- All set
-
Install the CLI
- Prerequisites
- Installation
-
Configuration
- Service configuration
- Application configuration
- Route configuration
-
Upgrading PHP
- Check out the project
- Make a branch
- Upgrade PHP
- Review and Merge
-
Local development with Lando
- Installation
- Using Lando
- Connecting to services
-
Starting with Platform.sh
Other books by this author
The Leanpub 60 Day 100% Happiness Guarantee
Within 60 days of purchase you can get a 100% refund on any Leanpub purchase, in two clicks.
Now, this is technically risky for us, since you'll have the book or course files either way. But we're so confident in our products and services, and in our authors and readers, that we're happy to offer a full money back guarantee for everything we sell.
You can only find out how good something is by trying it, and because of our 100% money back guarantee there's literally no risk to do so!
So, there's no reason not to click the Add to Cart button, is there?
See full terms...
80% Royalties. Earn $16 on a $20 book.
We pay 80% royalties. That's not a typo: you earn $16 on a $20 sale. If we sell 5000 non-refunded copies of your book or course for $20, you'll earn $80,000.
(Yes, some authors have already earned much more than that on Leanpub.)
In fact, authors have earnedover $13 millionwriting, publishing and selling on Leanpub.
Learn more about writing on Leanpub
Free Updates. DRM Free.
If you buy a Leanpub book, you get free updates for as long as the author updates the book! Many authors use Leanpub to publish their books in-progress, while they are writing them. All readers get free updates, regardless of when they bought the book or how much they paid (including free).
Most Leanpub books are available in PDF (for computers) and EPUB (for phones, tablets and Kindle). The formats that a book includes are shown at the top right corner of this page.
Finally, Leanpub books don't have any DRM copy-protection nonsense, so you can easily read them on any supported device.
Learn more about Leanpub's ebook formats and where to read them
