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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\Result; |
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use Yiisoft\Validator\RuleHandlerInterface; |
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use Yiisoft\Validator\ValidationContext; |
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use function gettype; |
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use function in_array; |
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/** |
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* Compares the specified value with another value. |
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* |
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* @see AbstractCompare |
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* @see Equal |
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* @see GreaterThan |
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* @see GreaterThanOrEqual |
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* @see LessThan |
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* @see LessThanOrEqual |
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* @see Compare |
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* @see NotEqual |
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*/ |
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final class CompareHandler implements RuleHandlerInterface |
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{ |
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public function validate(mixed $value, object $rule, ValidationContext $context): Result |
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1 |
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{ |
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if (!$rule instanceof AbstractCompare) { |
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throw new UnexpectedRuleException(AbstractCompare::class, $rule); |
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} |
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83 |
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$result = new Result(); |
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if ($value !== null && !is_scalar($value)) { |
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return $result->addError($rule->getIncorrectInputMessage(), [ |
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'attribute' => $context->getTranslatedAttribute(), |
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'type' => get_debug_type($value), |
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]); |
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} |
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$targetAttribute = $rule->getTargetAttribute(); |
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$targetValue = $rule->getTargetValue(); |
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if ($targetValue === null && $targetAttribute !== null) { |
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/** @var mixed $targetValue */ |
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$targetValue = $context->getDataSet()->getAttributeValue($targetAttribute); |
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if (!is_scalar($targetValue)) { |
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return $result->addError($rule->getIncorrectDataSetTypeMessage(), [ |
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'type' => get_debug_type($targetValue), |
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]); |
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} |
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} |
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if ($this->compareValues($rule->getOperator(), $rule->getType(), $value, $targetValue)) { |
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return $result; |
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} |
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return $result->addError($rule->getMessage(), [ |
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'attribute' => $context->getTranslatedAttribute(), |
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'targetValue' => $rule->getTargetValue(), |
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'targetAttribute' => $rule->getTargetAttribute(), |
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'targetValueOrAttribute' => $targetValue ?? $targetAttribute, |
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'value' => $value, |
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]); |
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} |
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/** |
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* Compares two values with the specified operator. |
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* |
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* @param string $operator The comparison operator. One of `==`, `===`, `!=`, `!==`, `>`, `>=`, `<`, `<=`. |
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* @param string $type The type of the values being compared. |
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* @psalm-param CompareType::STRING | CompareType::NUMBER $type |
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* |
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* @param mixed $value The value being compared. |
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* @param mixed $targetValue Another value being compared. |
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* |
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* @return bool Whether the result of comparison using the specified operator is true. |
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*/ |
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private function compareValues(string $operator, string $type, mixed $value, mixed $targetValue): bool |
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{ |
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if (!in_array($operator, ['==', '===', '!=', '!=='])) { |
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[$value, $targetValue] = $this->getTypeCastedValues($type, $value, $targetValue); |
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} |
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return match ($operator) { |
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'==' => $this->checkValuesEqual($type, $value, $targetValue), |
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'===' => $this->checkValuesEqual($type, $value, $targetValue, strict: true), |
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'!=' => $this->checkValuesNotEqual($type, $value, $targetValue), |
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'!==' => $this->checkValuesNotEqual($type, $value, $targetValue, strict: true), |
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'>' => $value > $targetValue, |
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'>=' => $value >= $targetValue, |
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'<' => $value < $targetValue, |
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'<=' => $value <= $targetValue, |
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}; |
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} |
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private function checkValuesEqual( |
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string $type, |
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mixed $value, |
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mixed $targetValue, |
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bool $strict = false, |
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): bool { |
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if ($strict && gettype($value) !== gettype($targetValue)) { |
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return false; |
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} |
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if ($type === CompareType::NUMBER) { |
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return $this->checkFloatsEqual((float) $value, (float) $targetValue); |
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} |
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return (string) $value === (string) $targetValue; |
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} |
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private function checkValuesNotEqual( |
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string $type, |
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mixed $value, |
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mixed $targetValue, |
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bool $strict = false, |
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): bool { |
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if ($strict && gettype($value) !== gettype($targetValue)) { |
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return true; |
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} |
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if ($type === CompareType::NUMBER) { |
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return !$this->checkFloatsEqual((float) $value, (float) $targetValue); |
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} |
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return (string) $value !== (string) $targetValue; |
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} |
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private function checkFloatsEqual(float $value, float $targetValue): bool |
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{ |
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return abs($value - $targetValue) < PHP_FLOAT_EPSILON; |
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} |
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/** |
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* @psalm-return array{0: float, 1: float}|array{0: string, 1: string} |
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*/ |
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private function getTypeCastedValues(string $type, mixed $value, mixed $targetValue): array |
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{ |
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return $type === CompareType::NUMBER |
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? [(float) $value, (float) $targetValue] |
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: [(string) $value, (string) $targetValue]; |
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} |
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} |
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yiisoft /
validator
