PHP 8.4 New Features

PHP 8.4 New Features

Important innovations are coming with PHP 8.4 version:

Property Hooks

It becomes possible to define getter/setter directly to class properties.

class User {
    public string $name {
        set(string $value) => ucfirst($value);
        get => $this->name;
    }
}

Asymmetric Visibility

Different visibility levels can be defined for properties.

Performance Improvements

15-20% performance increase is achieved with JIT compiler improvements.