1: <?php
2:
3: declare(strict_types=1);
4:
5: /**
6: * This file is part of the Nexus framework.
7: *
8: * (c) John Paul E. Balandan, CPA <paulbalandan@gmail.com>
9: *
10: * For the full copyright and license information, please view
11: * the LICENSE file that was distributed with this source code.
12: */
13:
14: namespace Nexus\Collection\Operation;
15:
16: /**
17: * @template TKey
18: * @template T
19: */
20: interface Has
21: {
22: /**
23: * Checks if the collection has an item with the specified key.
24: *
25: * @param TKey $key
26: */
27: public function has(mixed $key): bool;
28: }
29: