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copied!<p>You're right the getMessages() method was missing in the implementation. For now you can add it to your model while it's officially added to the C class:</p> <pre><code><?php class Users extends Phalcon\Mvc\Collection { public function getMessages() { return $this->_errorMessages; } } </code></pre> <p>1- How do I show the error messages that are a result of a validation? Check above</p> <p>2- How do I create custom validators?</p> <p>A validator is a class that inherits from "Phalcon\Mvc\Model\Validator" and implements "Phalcon\Mvc\Model\ValidatorInterface":</p> <pre><code><?php use Phalcon\Mvc\Model\Validator, Phalcon\Mvc\Model\ValidatorInterface; class HashValidator extends Validator implements ValidatorInterface { public function validate($record) { $fieldName = $this->getOption('field'); if (!preg_match('/[a-z]+/', $fieldName) { $this->appendMessage("The hash is not valid", $fieldName, "Hash"); return false; } return true; } } </code></pre> <p>If you don't want to reuse the validator you can simply add a validation rule to the model:</p> <pre><code><?php use Phalcon\Mvc\Model\Message; class Users extends Phalcon\Mvc\Collection { public function validation() { if (!preg_match('/[a-z]+/', $this->password) { $this->_errorMessages[] = new Message("The hash is not valid", "password", "Hash"); return false; } return true; } public function getMessages() { return $this->_errorMessages; } } </code></pre> <p>3- Is Phalcon\Mvc\Model\Validator\Uniqueness validator NOSQL compatible? This validator is only compatible with SQL models, however, you can create a validator to work with NoSQL collections this way:</p> <pre><code><?php use Phalcon\Mvc\Model\Validator, Phalcon\Mvc\Model\ValidatorInterface; class UniqueValidator extends Validator implements ValidatorInterface { public function validate($record) { $field = $this->getOption('field'); if ($record->count(array("field" => $record->readAttribute($field)))) { $this->appendMessage("The ".$field." must be unique", $fieldName, "Unique"); return false; } return true; } } </code></pre>

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