<?php declare(strict_types=1); interface HasId { public string $id { get; set; } } class Foo implements HasId { function __construct( public string $id { get => '#' . $this->id; set (string $id) => $this->id = mb_strtoupper($id); }, ) {} } class Bar implements HasId { function __construct(public string $id) {} } class Baz { public function display(HasId $object): void { echo $object->id . PHP_EOL; } public function update(HasId $object, string $id): void{ $object->id = $id; $this->display($object); } } $foo = new Foo(id: 'FOO'); $bar = new Bar(id: 'BAR'); $baz = new Baz(); $baz->display($foo); $baz->update($foo, 'foo'); $baz->display($bar); $baz->update($bar, 'bar');
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