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<?php
declare(strict_types=1);
namespace Yiisoft\Validator\Rule;
use Yiisoft\Validator\HasValidationErrorMessage;
use Yiisoft\Validator\Result;
use Yiisoft\Validator\Rule;
use Yiisoft\Validator\ValidationContext;
use function is_string;
/**
* RequiredValidator validates that the specified attribute does not have null or empty value.
*/
class Required extends Rule
{
use HasValidationErrorMessage;
private string $message = 'Value cannot be blank.';
public static function rule(): self
return new self();
}
protected function validateValue($value, ValidationContext $context = null): Result
$result = new Result();
if ($this->isEmpty(is_string($value) ? trim($value) : $value)) {
$result->addError($this->formatMessage($this->message));
return $result;
public function getOptions(): array
return array_merge(
parent::getOptions(),
[
'message' => $this->formatMessage($this->message),
],
);
yiisoft /
validator
