The Latest PHP 7 - What's New in PHP 7.4

Explore the latest features and improvements in PHP 7.4 through this comprehensive conference talk from PHP UK 2020. Dive into the strengthened type system with typed properties, co- and contra-variance of methods, and changes to operator precedence. Learn about new functionalities like preloading classes, foreign function interface, and custom object serialization mechanisms. Discover updates on reflection for references, weak references, short arrow functions, and numeric literal separators. Understand the deprecation of curly brace syntax for accessing array elements and string offsets, as well as PostgreSQL escape characters. Gain valuable insights into the evolution of PHP and how these enhancements can improve your development workflow.

Intro
Typed Properties
Covariant Return Types
Contravariant Argument Types
Invariant Property Types
Spread Operator in Array Expression
FR -- Foreign Function Interface
Preloading Zend Framework
Reflection for references
New custom object serialization mechanism
Unbunding Extensions
Episode 3: Weak References
Episode 14 Short Arrow Functions
Episode 110: LSP and Operator Precedence
Episode 017: Numeric Literal Separator
Episode 119: Deprecate curly brace syntax for accessing array elements and string offset
Episode 122: PostGreSQL escape characters