In PHP, how do I concatenate objects with strong typing?

Keywords: PHP, strong typing, object concatenation, programming
Description: This example demonstrates how to concatenate objects in PHP while maintaining strong typing to ensure type safety and integrity.
<?php class Person { public string $name; public function __construct(string $name) { $this->name = $name; } } class Greeting { public function greet(Person $person): string { return "Hello, " . $person->name . "!"; } } $person = new Person("Alice"); $greeting = new Greeting(); echo $greeting->greet($person); ?>

Keywords: PHP strong typing object concatenation programming