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1<?php
2
3// ╔════════════════════════════════════════════════════════════╗
4// ║ MIT Licence (#Expat) - https://opensource.org/licenses/MIT ║
5// ║ Copyright 2026 Frederic Poeydomenge <dyno@phexium.com>     ║
6// ╚════════════════════════════════════════════════════════════╝
7
8declare(strict_types=1);
9
10namespace Phexium\Domain\Collection\Trait;
11
12trait TraitCollectionNavigation
13{
14    public function keys(): array
15    {
16        return array_keys($this->collection);
17    }
18
19    public function containsKey(int|string $key): bool
20    {
21        return array_key_exists($key, $this->collection);
22    }
23
24    public function get(int|string $key, mixed $default = null): mixed
25    {
26        return $this->collection[$key] ?? $default;
27    }
28}