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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\Result; |
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use Yiisoft\Validator\Rule; |
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use Yiisoft\Validator\Rules; |
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use Yiisoft\Validator\ValidationContext; |
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final class Optional extends Rule |
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{ |
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private ?Rules $rules = null; |
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private bool $checkEmpty = true; |
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/** |
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* @var callable|null |
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*/ |
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private $emptyCallback = null; |
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public function __construct(Rule ...$rules) |
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{ |
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$this->setRules($rules); |
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} |
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protected function validateValue($value, ValidationContext $context = null): Result |
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{ |
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if ($this->checkDoValidate($context)) { |
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return $this->rules->validate($value, $context); |
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} |
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return new Result(); |
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} |
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private function checkDoValidate(?ValidationContext $context): bool |
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{ |
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if ($context === null || $context->getDataSet() === null || $context->getAttribute() === null) { |
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return true; |
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} |
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$dataSet = $context->getDataSet(); |
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$attribute = $context->getAttribute(); |
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if (!$dataSet->hasAttribute($attribute)) { |
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return false; |
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} |
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if ($this->checkEmpty) { |
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$value = $dataSet->getAttributeValue($attribute); |
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return $this->emptyCallback === null |
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? !empty($value) |
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: !($this->emptyCallback)($value); |
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} |
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return true; |
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} |
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public function rules(Rule ...$rules): self |
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{ |
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$new = clone $this; |
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$new->setRules($rules); |
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return $new; |
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} |
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public function checkEmpty(bool $checkEmpty): self |
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{ |
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$new = clone $this; |
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$new->checkEmpty = $checkEmpty; |
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return $new; |
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} |
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/** |
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* @param callable|null $callback |
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* |
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* @return self |
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*/ |
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public function emptyCallback(?callable $callback): self |
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{ |
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$new = clone $this; |
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$new->emptyCallback = $callback; |
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return $new; |
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} |
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private function setRules(array $rules): void |
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{ |
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$this->rules = new Rules($rules); |
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} |
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} |
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yiisoft /
validator
This check looks for calls to methods that do not seem to exist on a given type. It looks for the method on the type itself as well as in inherited classes or implemented interfaces.
This is most likely a typographical error or the method has been renamed.