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<?php |
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namespace Yiisoft\Validator\Rule; |
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use Yiisoft\Validator\DataSetInterface; |
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use Yiisoft\Validator\Result; |
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use Yiisoft\Validator\Rule; |
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/** |
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* RequiredValidator validates that the specified attribute does not have null or empty value. |
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*/ |
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class Required extends Rule |
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{ |
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/** |
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* @var bool whether the comparison between the attribute value and [[requiredValue]] is strict. |
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* When this is true, both the values and types must match. |
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* Defaults to false, meaning only the values need to match. |
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* Note that when [[requiredValue]] is null, if this property is true, the validator will check |
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* if the attribute value is null; If this property is false, the validator will call [[isEmpty]] |
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* to check if the attribute value is empty. |
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*/ |
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private bool $strict = false; |
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/** |
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* @var string the user-defined error message. It may contain the following placeholders which |
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* will be replaced accordingly by the validator: |
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* |
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* - `{attribute}`: the label of the attribute being validated |
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* - `{value}`: the value of the attribute being validated |
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* - `{requiredValue}`: the value of [[requiredValue]] |
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*/ |
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private string $message = 'Value cannot be blank.'; |
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protected function validateValue($value, DataSetInterface $dataSet = null): Result |
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{ |
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$result = new Result(); |
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if (($this->strict && $value !== null) || (!$this->strict && !$this->isEmpty(is_string($value) ? trim($value) : $value))) { |
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return $result; |
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} |
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$result->addError($this->formatMessage($this->message)); |
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return $result; |
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} |
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public function message(string $message): self |
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{ |
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$this->message = $message; |
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return $this; |
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} |
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public function strict(): self |
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{ |
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$this->strict = true; |
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return $this; |
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} |
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} |
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yiisoft /
validator
