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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Validator; |
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use InvalidArgumentException; |
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use function is_int; |
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use function is_string; |
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/** |
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* RulesDumper allows to get an array of rule names and corresponding settings from a set of rules. |
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* The array is usually passed to the client to use it in client-side validation. |
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* |
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* * @see SerializableRuleInterface |
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* * @see RuleInterface |
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*/ |
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final class RulesDumper |
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{ |
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/** |
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* Return all attribute rules as array. |
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* |
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* For example: |
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* |
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* ```php |
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* [ |
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* 'amount' => [ |
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* [ |
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* 'number', |
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* 'integer' => true, |
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* 'max' => 100, |
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* 'notANumberMessage' => 'Value must be an integer.', |
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* 'tooBigMessage' => 'Value must be no greater than 100.' |
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* ], |
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* ['callback'], |
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* ], |
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* 'name' => [ |
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* [ |
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* 'hasLength', |
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* 'max' => 20, |
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* 'message' => 'Value must contain at most 20 characters.' |
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* ], |
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* ], |
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* ] |
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* ``` |
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* |
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* @param iterable $rules |
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*/ |
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public function asArray(iterable $rules): array |
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{ |
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return $this->fetchOptions($rules); |
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} |
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private function fetchOptions(iterable $rules): array |
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{ |
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$result = []; |
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/** @var mixed $attribute */ |
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/** @var mixed $rule */ |
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foreach ($rules as $attribute => $rule) { |
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if (!is_int($attribute) && !is_string($attribute)) { |
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$message = sprintf( |
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'An attribute can only have an integer or a string type. %s given.', |
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get_debug_type($attribute), |
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); |
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throw new InvalidArgumentException($message); |
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} |
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8 |
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if (is_iterable($rule)) { |
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3 |
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$options = $this->fetchOptions($rule); |
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} elseif ($rule instanceof SerializableRuleInterface) { |
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$options = array_merge([$rule->getName()], $rule->getOptions()); |
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1 |
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} elseif ($rule instanceof RuleInterface) { |
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$options = [$rule->getName()]; |
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} else { |
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1 |
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throw new InvalidArgumentException(sprintf( |
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'Each rule must implement "%s". Type "%s" given.', |
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RuleInterface::class, |
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1 |
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get_debug_type($rule), |
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)); |
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} |
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$result[$attribute] = $options; |
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} |
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return $result; |
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} |
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} |
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yiisoft /
validator
