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@ -12,50 +12,44 @@ namespace yii\validators; |
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/** |
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/** |
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* Validator is the base class for all validators. |
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* Validator is the base class for all validators. |
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* |
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* |
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* Child classes must implement the {@link validateAttribute} method. |
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* Child classes may override the [[validateValue]] method to provide the actual |
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* logic of performing data validation. |
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* |
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* |
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* The following properties are defined in CValidator: |
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* Validator defines the following properties that are common among concrete validators: |
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* <ul> |
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* <li>{@link attributes}: array, list of attributes to be validated;</li> |
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* <li>{@link message}: string, the customized error message. The message |
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* may contain placeholders that will be replaced with the actual content. |
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* For example, the "{attribute}" placeholder will be replaced with the label |
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* of the problematic attribute. Different validators may define additional |
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* placeholders.</li> |
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* <li>{@link on}: string, in which scenario should the validator be in effect. |
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* This is used to match the 'on' parameter supplied when calling {@link CModel::validate}.</li> |
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* </ul> |
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* |
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* |
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* When using {@link createValidator} to create a validator, the following aliases |
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* - [[attributes]]: array, list of attributes to be validated; |
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* are recognized as the corresponding built-in validator classes: |
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* - [[message]]: string, the error message used when validation fails; |
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* <ul> |
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* - [[on]]: string, scenarios on which the validator applies. |
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* <li>required: {@link CRequiredValidator}</li> |
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* |
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* <li>filter: {@link CFilterValidator}</li> |
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* Validator also declares a set of [[builtInValidators|built-in validators] which can |
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* <li>match: {@link CRegularExpressionValidator}</li> |
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* be referenced using short names. They are listed as follows: |
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* <li>email: {@link CEmailValidator}</li> |
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* |
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* <li>url: {@link CUrlValidator}</li> |
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* - `required`: [[RequiredValidator]] |
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* <li>unique: {@link CUniqueValidator}</li> |
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* - `filter`: [[FilterValidator]] |
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* <li>compare: {@link CCompareValidator}</li> |
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* - `match`: [[RegularExpressionValidator]] |
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* <li>length: {@link CStringValidator}</li> |
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* - `email`: [[EmailValidator]] |
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* <li>in: {@link CRangeValidator}</li> |
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* - `url`: [[UrlValidator]] |
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* <li>numerical: {@link CNumberValidator}</li> |
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* - `unique`: [[UniqueValidator]] |
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* <li>captcha: {@link CCaptchaValidator}</li> |
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* - `compare`: [[CompareValidator]] |
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* <li>type: {@link CTypeValidator}</li> |
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* - `length`: [[StringValidator]] |
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* <li>file: {@link CFileValidator}</li> |
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* - `in`: [[RangeValidator]] |
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* <li>default: {@link CDefaultValueValidator}</li> |
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* - `numerical`: [[NumberValidator]] |
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* <li>exist: {@link CExistValidator}</li> |
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* - `captcha`: [[CaptchaValidator]] |
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* <li>boolean: {@link CBooleanValidator}</li> |
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* - `type`: [[TypeValidator]] |
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* <li>date: {@link CDateValidator}</li> |
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* - `file`: [[FileValidator]] |
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* <li>safe: {@link CSafeValidator}</li> |
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* - `default`: [[DefaultValueValidator]] |
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* <li>unsafe: {@link CUnsafeValidator}</li> |
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* - `exist`: [[ExistValidator]] |
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* </ul> |
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* - `boolean`: [[BooleanValidator]] |
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* - `date`: [[DateValidator]] |
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* - `safe`: [[SafeValidator]] |
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* - `unsafe`: [[UnsafeValidator]] |
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* |
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* |
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* @author Qiang Xue <qiang.xue@gmail.com> |
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* @author Qiang Xue <qiang.xue@gmail.com> |
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* @version $Id: CValidator.php 3160 2011-04-03 01:08:23Z qiang.xue $ |
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* @version $Id: CValidator.php 3160 2011-04-03 01:08:23Z qiang.xue $ |
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* @package system.validators |
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* @package system.validators |
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* @since 2.0 |
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* @since 2.0 |
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*/ |
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*/ |
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abstract class Validator extends \yii\base\Component |
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class Validator extends \yii\base\Component |
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{ |
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{ |
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/** |
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/** |
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* @var array list of built-in validators (name => class or configuration) |
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* @var array list of built-in validators (name => class or configuration) |
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@ -125,10 +119,14 @@ abstract class Validator extends \yii\base\Component |
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/** |
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/** |
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* Validates a value. |
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* Validates a value. |
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* Child classes should override this method to implement the actual validation logic. |
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* Child classes should override this method to implement the actual validation logic. |
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* The default implementation simply returns true. |
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* @param mixed $value the value being validated. |
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* @param mixed $value the value being validated. |
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* @return boolean whether the value is valid. |
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* @return boolean whether the value is valid. |
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*/ |
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*/ |
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abstract public function validateValue($value); |
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public function validateValue($value) |
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{ |
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return true; |
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} |
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/** |
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/** |
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* Validates a single attribute. |
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* Validates a single attribute. |
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@ -265,7 +263,7 @@ abstract class Validator extends \yii\base\Component |
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* @param string $message the error message |
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* @param string $message the error message |
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* @param array $params values for the placeholders in the error message |
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* @param array $params values for the placeholders in the error message |
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*/ |
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*/ |
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protected function addError($object, $attribute, $message, $params = array()) |
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public function addError($object, $attribute, $message, $params = array()) |
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{ |
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{ |
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$params['{attribute}'] = $object->getAttributeLabel($attribute); |
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$params['{attribute}'] = $object->getAttributeLabel($attribute); |
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$params['{value}'] = $object->$attribute; |
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$params['{value}'] = $object->$attribute; |
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@ -280,7 +278,7 @@ abstract class Validator extends \yii\base\Component |
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* @param boolean $trim whether to perform trimming before checking if the string is empty. Defaults to false. |
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* @param boolean $trim whether to perform trimming before checking if the string is empty. Defaults to false. |
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* @return boolean whether the value is empty |
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* @return boolean whether the value is empty |
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*/ |
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*/ |
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protected function isEmpty($value, $trim = false) |
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public function isEmpty($value, $trim = false) |
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{ |
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{ |
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return $value === null || $value === array() || $value === '' |
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return $value === null || $value === array() || $value === '' |
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|| $trim && is_scalar($value) && trim($value) === ''; |
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|| $trim && is_scalar($value) && trim($value) === ''; |
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Qiang Xue
14 years ago