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2 |
1 | <?php |
2 | |
3 | namespace Verja\Validator; |
4 | |
5 | use Verja\Error; |
6 | use Verja\Validator; |
7 | |
8 | class Callback extends Validator |
9 | { |
10 | /** @var callable */ |
11 | protected $callback; |
12 | |
13 | /** |
14 | * Callback constructor. |
15 | * |
16 | * @param callable $callback |
17 | */ |
18 | public function __construct(callable $callback) |
19 | { |
20 | $this->callback = $callback; |
21 | } |
22 | |
23 | /** {@inheritdoc} */ |
24 | public function validate($value, array $context = []): bool |
25 | { |
26 | $result = call_user_func($this->callback, $value, $context); |
27 | |
28 | if ($result instanceof Error) { |
29 | $this->error = $result; |
30 | return false; |
31 | } |
32 | |
33 | return (bool)$result; |
34 | } |
35 | } |