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<?php |
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namespace Kontrolio; |
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use Kontrolio\Data\Data; |
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use Kontrolio\Error\Errors; |
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use Kontrolio\Rules\Core\UntilFirstFailure; |
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use Kontrolio\Rules\ArrayNormalizer; |
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use Kontrolio\Rules\Instantiator; |
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use Kontrolio\Rules\StopsFurtherValidationInterface; |
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use Kontrolio\Rules\Parser; |
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use Kontrolio\Rules\Repository; |
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use Kontrolio\Rules\CallableRuleWrapper; |
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use UnexpectedValueException; |
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/** |
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* Main class of the validation service. |
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* |
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* @package Kontrolio |
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*/ |
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class Validator implements ValidatorInterface |
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{ |
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/** |
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* Data to validate. |
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* |
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* @var Data |
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*/ |
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private $data; |
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/** |
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* Raw validation rules. |
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* |
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* @var array |
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*/ |
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private $rules; |
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/** |
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* Formatted validation rules. |
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* |
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* @var array |
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*/ |
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private $normalizedRules = []; |
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/** |
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* Validation messages. |
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* |
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* @var array |
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*/ |
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private $messages; |
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/** |
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* Available validation rules. |
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* |
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* @var Repository |
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*/ |
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private $repository; |
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/** |
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* Raw rules normalizer. |
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* |
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* @var ArrayNormalizer |
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*/ |
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private $normalizer; |
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/** |
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* Validation errors. |
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* |
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* @var Errors |
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*/ |
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private $errors; |
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/** |
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* Flag indicating that the validation should stop. |
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* |
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* @var bool |
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*/ |
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private $shouldStopOnFirstFailure = false; |
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/** |
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* Validator constructor. |
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* |
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* @param array $data |
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* @param array $rules |
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* @param array $messages |
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*/ |
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public function __construct(array $data, array $rules, array $messages = []) |
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{ |
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$this->data = new Data($data); |
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$this->rules = $rules; |
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$this->messages = $messages; |
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$instantiator = new Instantiator(); |
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$this->repository = new Repository($instantiator); |
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$this->normalizer = new ArrayNormalizer(new Parser($this->repository)); |
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$this->errors = new Errors($messages); |
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} |
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/** |
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* Extends available rules with new ones. |
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* |
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* @param array $rules |
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* |
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* @return $this |
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*/ |
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public function extend(array $rules) |
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{ |
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$this->repository->add($rules); |
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return $this; |
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} |
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/** |
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* Returns all available validation rules. |
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* |
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* @return array |
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*/ |
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public function getAvailable() |
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{ |
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return $this->repository->all(); |
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} |
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/** |
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* Returns data that's being validated. |
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* |
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* @return array |
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*/ |
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public function getData() |
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{ |
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return $this->data->raw(); |
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} |
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/** |
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* Sets data that need to be validated. |
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* |
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* @param array $data |
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* |
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* @return $this |
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*/ |
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public function setData(array $data) |
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{ |
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$this->data = new Data($data); |
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return $this; |
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} |
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/** |
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* Returns validation rules. |
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* |
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* @return array |
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*/ |
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public function getRules() |
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{ |
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return $this->rules; |
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} |
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/** |
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* Checks proper format of the validation rules and sets them for the validator. |
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* |
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* @param array $rules |
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* |
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* @return $this |
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* @throws UnexpectedValueException |
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*/ |
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public function setRules(array $rules) |
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{ |
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$this->rules = $rules; |
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$this->normalizedRules = $this->normalizer->normalize($rules); |
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return $this; |
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} |
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/** |
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* Returns validation messages. |
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* |
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* @return array |
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*/ |
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public function getMessages() |
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{ |
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return $this->messages; |
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} |
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/** |
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* Sets validation messages. |
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* |
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* @param array $messages |
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* |
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* @return $this |
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*/ |
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public function setMessages(array $messages) |
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{ |
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$this->messages = $messages; |
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return $this; |
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} |
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/** |
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* Validates given data. |
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* |
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* @return bool |
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* @throws UnexpectedValueException |
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*/ |
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public function validate() |
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{ |
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if (empty($this->normalizedRules)) { |
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$this->normalizedRules = $this->normalizer->normalize($this->rules); |
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} |
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foreach ($this->normalizedRules as $attrName => $rules) { |
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foreach ($rules as $rule) { |
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$attribute = $this->data->get($attrName); |
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$rule = is_callable($rule) |
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? new CallableRuleWrapper($rule($attribute->getValue())) |
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: $rule; |
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if ($attribute->canSkip($rule)) { |
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continue 2; |
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} |
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if ($attribute->conformsTo($rule)) { |
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continue; |
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} |
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$this->errors->add($attribute, $rule); |
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if ($rule instanceof UntilFirstFailure) { |
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continue 2; |
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} |
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if ($rule instanceof StopsFurtherValidationInterface || |
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$this->shouldStopOnFirstFailure) { |
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return false; |
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} |
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} |
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} |
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return $this->errors->isEmpty(); |
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} |
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/** |
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* Checks whether there are validation errors. |
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* |
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* @return bool |
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*/ |
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public function hasErrors() |
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{ |
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return !$this->errors->isEmpty(); |
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} |
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/** |
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* Returns all validation errors. |
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* |
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* @return array |
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*/ |
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public function getErrors() |
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{ |
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return $this->errors->raw(); |
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} |
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/** |
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* Returns a plain validation errors array without their attribute names. |
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* |
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* @return array |
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*/ |
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public function getErrorsList() |
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{ |
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return $this->errors->flatten(); |
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} |
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/** |
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* Determines whether validation should stop on the first failure. |
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* |
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* @param bool $stop |
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* |
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* @return $this |
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*/ |
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public function shouldStopOnFirstFailure($stop = true) |
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{ |
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$this->shouldStopOnFirstFailure = $stop; |
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return $this; |
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} |
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} |
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