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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\Strings\NumericHelper; |
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use Yiisoft\Validator\Result; |
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use Yiisoft\Validator\Rule; |
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use Yiisoft\Validator\ValidationContext; |
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/** |
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* NumberValidator validates that the attribute value is a number. |
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* |
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* The format of the number must match the regular expression specified in {@see Number::$integerPattern} |
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* or {@see Number::$numberPattern}. Optionally, you may configure the {@see Number::max()} and {@see Number::min()} |
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* to ensure the number is within certain range. |
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*/ |
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class Number extends Rule |
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{ |
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/** |
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* @var bool whether the attribute value can only be an integer. Defaults to false. |
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*/ |
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private bool $asInteger = false; |
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/** |
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* @var float|int upper limit of the number. Defaults to null, meaning no upper limit. |
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* |
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* @see tooBigMessage for the customized message used when the number is too big. |
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*/ |
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private $max; |
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/** |
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* @var float|int lower limit of the number. Defaults to null, meaning no lower limit. |
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* |
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* @see tooSmallMessage for the customized message used when the number is too small. |
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*/ |
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private $min; |
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/** |
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* @var string user-defined error message used when the value is bigger than {@link $max}. |
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*/ |
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private string $tooBigMessage = 'Value must be no greater than {max}.'; |
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/** |
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* @var string user-defined error message used when the value is smaller than {@link $min}. |
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*/ |
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private string $tooSmallMessage = 'Value must be no less than {min}.'; |
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/** |
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* @var string the regular expression for matching integers. |
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*/ |
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private string $integerPattern = '/^\s*[+-]?\d+\s*$/'; |
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/** |
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* @var string the regular expression for matching numbers. It defaults to a pattern |
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* that matches floating numbers with optional exponential part (e.g. -1.23e-10). |
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*/ |
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private string $numberPattern = '/^\s*[-+]?\d*\.?\d+([eE][-+]?\d+)?\s*$/'; |
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public static function rule(): self |
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{ |
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return new self(); |
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} |
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protected function validateValue($value, ValidationContext $context = null): Result |
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{ |
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$result = new Result(); |
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if (is_bool($value) || !is_scalar($value)) { |
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$result->addError($this->formatMessage($this->getNotANumberMessage(), ['value' => $value])); |
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return $result; |
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} |
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$pattern = $this->asInteger ? $this->integerPattern : $this->numberPattern; |
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if (!preg_match($pattern, NumericHelper::normalize($value))) { |
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$result->addError($this->formatMessage($this->getNotANumberMessage(), ['value' => $value])); |
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} elseif ($this->min !== null && $value < $this->min) { |
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$result->addError($this->formatMessage($this->tooSmallMessage, ['min' => $this->min])); |
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} elseif ($this->max !== null && $value > $this->max) { |
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$result->addError($this->formatMessage($this->tooBigMessage, ['max' => $this->max])); |
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} |
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return $result; |
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} |
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public function integer(): self |
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{ |
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$new = clone $this; |
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$new->asInteger = true; |
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return $new; |
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} |
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public function min($value): self |
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{ |
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$new = clone $this; |
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$new->min = $value; |
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return $new; |
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} |
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public function max($value): self |
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{ |
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$new = clone $this; |
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$new->max = $value; |
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return $new; |
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} |
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public function tooSmallMessage(string $message): self |
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{ |
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$new = clone $this; |
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$new->tooSmallMessage = $message; |
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return $new; |
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} |
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public function tooBigMessage(string $message): self |
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{ |
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$new = clone $this; |
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$new->tooBigMessage = $message; |
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return $new; |
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} |
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private function getNotANumberMessage(): string |
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{ |
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if ($this->asInteger === true) { |
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return 'Value must be an integer.'; |
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} |
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return 'Value must be a number.'; |
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} |
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public function getOptions(): array |
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{ |
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return array_merge( |
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parent::getOptions(), |
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[ |
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'notANumberMessage' => $this->formatMessage($this->getNotANumberMessage()), |
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'asInteger' => $this->asInteger, |
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'min' => $this->min, |
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'tooSmallMessage' => $this->formatMessage($this->tooSmallMessage, ['min' => $this->min]), |
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'max' => $this->max, |
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'tooBigMessage' => $this->formatMessage($this->tooBigMessage, ['max' => $this->max]), |
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], |
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); |
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} |
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} |
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yiisoft /
validator
