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validate | |
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<?php | |
namespace Verja\Validator; | |
use Verja\Error; | |
use Verja\Validator; | |
class Callback extends Validator | |
{ | |
/** @var callable */ | |
protected $callback; | |
/** | |
* Callback constructor. | |
* | |
* @param callable $callback | |
*/ | |
public function __construct(callable $callback) | |
{ | |
$this->callback = $callback; | |
} | |
/** {@inheritdoc} */ | |
public function validate($value, array $context = []): bool | |
{ | |
$result = call_user_func($this->callback, $value, $context); | |
if ($result instanceof Error) { | |
$this->error = $result; | |
return false; | |
} | |
return (bool)$result; | |
} | |
} |