Exploring PHP 8.0

Introduction

1. Headline features

Constructor Property Promotion

1. Valuing your data

Just-In Time-compilation

1. Some background
2. Just in Time
3. The PHP JIT
4. How to configure the JIT
5. Will it help?

Attributes

1. A history of change
2. Getting meta
3. A practical example
4. Coming soon to a framework near you
5. Promoted arguments
6. Native attributes
7. A long list of credits

Named arguments

1. Named parameters
2. Named variadics
3. Limitations
4. But … why?
5. Arguments in attributes
6. Named arguments about arguments
7. API implications
8. Feature improvements

Union types

1. 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

1. Object class constant
2. Static return types
3. Private inheritance
4. Trait method validation

Date and time handling

1. p date formatter
2. DateTimeInterface::createFromInterface()
3. New formatting options for Intl extension

Locale improvements

1. Locale-independent float casting
2. New printf() formatting codes

Error handling improvements

1. throw expressions
2. Non-capturing catch
3. get_debug_type()
4. PDO error handling
5. Regex errors
6. Thrown trace string length
7. ValueError

CMS support

1. 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

1. get_resource_id()
2. PHP 8 on Platform.sh

Starting with Platform.sh

1. Create a free trial
2. Create a project
3. A brief tour of the console
4. All set

Install the CLI

1. Prerequisites
2. Installation

Configuration

1. Service configuration
2. Application configuration
3. Route configuration

Upgrading PHP

1. Check out the project
2. Make a branch
3. Upgrade PHP
4. Review and Merge

Local development with Lando

1. Installation
2. Using Lando

Connecting to services