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<?php |
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namespace Yiisoft\Validator\Rule; |
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use Yiisoft\Strings\StringHelper; |
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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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* 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 [[integerPattern]] or [[numberPattern]]. |
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* Optionally, you may configure the [[max]] and [[min]] properties to ensure the number |
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* 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 int|float upper limit of the number. Defaults to null, meaning no upper limit. |
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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 int|float lower limit of the number. Defaults to null, meaning no lower limit. |
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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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private function getNotANumberMessage(array $arguments): string |
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{ |
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if ($this->asInteger === true) { |
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return $this->formatMessage('Value must be an integer.', $arguments); |
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} |
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return $this->formatMessage('Value must be a number.', $arguments); |
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} |
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private function getTooBigMessage(array $arguments): string |
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{ |
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return $this->formatMessage($this->tooBigMessage, $arguments); |
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} |
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private function getTooSmallMessage(array $arguments): string |
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{ |
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return $this->formatMessage($this->tooSmallMessage, $arguments); |
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} |
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public function integer(): self |
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{ |
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$this->asInteger = true; |
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return $this; |
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} |
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public function min($value): self |
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{ |
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$this->min = $value; |
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return $this; |
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} |
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public function max($value): self |
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{ |
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$this->max = $value; |
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return $this; |
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} |
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public function tooSmallMessage(string $message): self |
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{ |
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$this->tooSmallMessage = $message; |
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return $this; |
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} |
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protected function validateValue($value, DataSetInterface $dataSet = null): Result |
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{ |
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$result = new Result(); |
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if ($this->isNotNumber($value)) { |
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$result->addError($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, StringHelper::normalizeNumber($value))) { |
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$result->addError($this->getNotANumberMessage(['value' => $value])); |
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} elseif ($this->min !== null && $value < $this->min) { |
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$result->addError($this->getTooSmallMessage(['min' => $this->min])); |
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} elseif ($this->max !== null && $value > $this->max) { |
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$result->addError($this->getTooBigMessage(['max' => $this->max])); |
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} |
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return $result; |
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} |
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/* |
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* @param mixed $value the data value to be checked. |
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*/ |
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private function isNotNumber($value): bool |
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{ |
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return is_array($value) |
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|| (is_object($value) && !method_exists($value, '__toString')) |
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|| (!is_object($value) && !is_scalar($value) && $value !== null); |
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} |
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} |
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yiisoft /
validator
