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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Validator\Rule; |
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use Yiisoft\Validator\Exception\UnexpectedRuleException; |
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use Yiisoft\Validator\Formatter; |
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use Yiisoft\Validator\FormatterInterface; |
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use Yiisoft\Validator\Result; |
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use Yiisoft\Validator\ValidationContext; |
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use function is_string; |
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/** |
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* Validates that the value is of certain length. |
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* |
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* Note, this rule should only be used with strings. |
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*/ |
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final class HasLengthHandler implements RuleHandlerInterface |
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{ |
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private FormatterInterface $formatter; |
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public function __construct(?FormatterInterface $formatter = null) |
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{ |
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$this->formatter = $formatter ?? new Formatter(); |
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} |
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public function validate($value, object $rule, ?ValidationContext $context = null): Result |
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{ |
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if (!$rule instanceof HasLength) { |
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throw new UnexpectedRuleException(HasLength::class, $rule); |
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} |
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$result = new Result(); |
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if (!is_string($value)) { |
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$formattedMessage = $this->formatter->format( |
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$rule->getMessage(), |
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['attribute' => $context?->getAttribute(), 'value' => $value] |
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); |
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$result->addError($formattedMessage); |
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return $result; |
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} |
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$length = mb_strlen($value, $rule->getEncoding()); |
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if ($rule->getMin() !== null && $length < $rule->getMin()) { |
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$formattedMessage = $this->formatter->format( |
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$rule->getTooShortMessage(), |
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['min' => $rule->getMin(), 'attribute' => $context?->getAttribute(), 'value' => $value] |
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); |
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$result->addError($formattedMessage); |
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} |
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if ($rule->getMax() !== null && $length > $rule->getMax()) { |
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$formattedMessage = $this->formatter->format( |
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$rule->getTooLongMessage(), |
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['max' => $rule->getMax(), 'attribute' => $context?->getAttribute(), 'value' => $value] |
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); |
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$result->addError($formattedMessage); |
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} |
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return $result; |
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} |
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} |
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yiisoft /
validator
