PHP 8.2 - 8.3 Features

PHP 8.2 Features

Readonly Classes

readonly class ValueObject {
    public function __construct(
        public string \$name,
        public int \$value,
    ) { }
}

Disjunctive Normal Form Types

// Intersection types combined with union types
function process(
    (Countable&ArrayAccess)|string \$input
): void { }

Randomizer Extension

\$random = new \Random\Randomizer();
\$num = \$random->getInt(1, 100);
\$bytes = \$random->getBytes(16);
\$shuffled = \$random->shuffleArray(\$items);

PHP 8.3 Features

json_validate()

if (json_validate(\$jsonString)) {
    \$data = json_decode(\$jsonString);
}

Override Attribute

class Child extends Parent {
    #[\\Override]
    public function method(): void { ... }
}

Dynamic class constant fetch

echo \$className::\$constantName;