# Yii PHP Framework Version 2 ¶

This is the core framework code of Yii 2.

This repository is a read-only git subsplit of https://github.com/yiisoft/yii2. Please submit issue reports and pull requests to the main repository. For license information check the LICENSE-file.

## Installation ¶

The preferred way to install the Yii framework is through composer.

Refer to Bower and NPM Assets installation to select an asset installation method.

Either run

    composer require yiisoft/yii2

or add

    "yiisoft/yii2": "~2.0.0",

to the require section of your composer.json.

# Class Reference

Class | Description
--- | ---
Yii | Yii is a helper class serving common framework functionalities.
YiiRequirementChecker | YiiRequirementChecker allows checking, if current system meets the requirements for running the Yii application.
yii\BaseYii | BaseYii is the core helper class for the Yii framework.
yii\base\Action | Action is the base class for all controller action classes.
yii\base\ActionEvent | ActionEvent represents the event parameter used for an action event.
yii\base\ActionFilter | ActionFilter is the base class for action filters.
yii\base\Application | Application is the base class for all application classes.
yii\base\ArrayAccessTrait | ArrayAccessTrait provides the implementation for IteratorAggregate, ArrayAccess and Countable.
yii\base\Arrayable | Arrayable is the interface that should be implemented by classes who want to support customizable representation of their instances.
yii\base\ArrayableTrait | ArrayableTrait provides a common implementation of the yii\base\Arrayable interface.
yii\base\BaseObject | BaseObject is the base class that implements the property feature.
yii\base\Behavior | Behavior is the base class for all behavior classes.
yii\base\BootstrapInterface | BootstrapInterface is the interface that should be implemented by classes who want to participate in the application bootstrap process.
yii\base\Component | Component is the base class that implements the property, event and behavior features.
yii\base\Configurable | Configurable is the interface that should be implemented by classes who support configuring its properties through the last parameter to its constructor.
yii\base\Controller | Controller is the base class for classes containing controller logic.
yii\base\DynamicContentAwareInterface | DynamicContentAwareInterface is the interface that should be implemented by classes which support a yii\base\View dynamic content feature.
yii\base\DynamicContentAwareTrait | DynamicContentAwareTrait implements common methods for classes which support a yii\base\View dynamic content feature.
yii\base\DynamicModel | DynamicModel is a model class primarily used to support ad hoc data validation.
yii\base\ErrorException | ErrorException represents a PHP error.
yii\base\ErrorHandler | ErrorHandler handles uncaught PHP errors and exceptions.
yii\base\Event | Event is the base class for all event classes.
yii\base\Exception | Exception represents a generic exception for all purposes.
yii\base\ExitException | ExitException represents a normal termination of an application.
yii\base\InlineAction | InlineAction represents an action that is defined as a controller method.
yii\base\InvalidArgumentException | InvalidArgumentException represents an exception caused by invalid arguments passed to a method.
yii\base\InvalidCallException | InvalidCallException represents an exception caused by calling a method in a wrong way.
yii\base\InvalidConfigException | InvalidConfigException represents an exception caused by incorrect object configuration.
yii\base\InvalidParamException | InvalidParamException represents an exception caused by invalid parameters passed to a method.
yii\base\InvalidRouteException | InvalidRouteException represents an exception caused by an invalid route.
yii\base\InvalidValueException | InvalidValueException represents an exception caused by a function returning a value of unexpected type.
yii\base\Model | Model is the base class for data models.
yii\base\ModelEvent | ModelEvent represents the parameter needed by yii\base\Model events.
yii\base\Module | Module is the base class for module and application classes.
yii\base\NotSupportedException | NotSupportedException represents an exception caused by accessing features that are not supported.
yii\base\Object | Object is the base class that implements the property feature.
yii\base\Request | Request represents a request that is handled by an yii\base\Application.
yii\base\Response | Response represents the response of an yii\base\Application to a yii\base\Request.
yii\base\Security | Security provides a set of methods to handle common security-related tasks.
yii\base\StaticInstanceInterface | StaticInstanceInterface is the interface for providing static instances to classes, which can be used to obtain class meta information that can not be expressed in static methods.
yii\base\StaticInstanceTrait | StaticInstanceTrait provides methods to satisfy yii\base\StaticInstanceInterface interface.
yii\base\Theme | Theme represents an application theme.
yii\base\UnknownClassException | UnknownClassException represents an exception caused by using an unknown class.
yii\base\UnknownMethodException | UnknownMethodException represents an exception caused by accessing an unknown object method.
yii\base\UnknownPropertyException | UnknownPropertyException represents an exception caused by accessing unknown object properties.
yii\base\UserException | UserException is the base class for exceptions that are meant to be shown to end users.
yii\base\View | View represents a view object in the MVC pattern.
yii\base\ViewContextInterface | ViewContextInterface is the interface that should implemented by classes who want to support relative view names.
yii\base\ViewEvent | ViewEvent represents events triggered by the yii\base\View component.
yii\base\ViewNotFoundException | ViewNotFoundException represents an exception caused by view file not found.
yii\base\ViewRenderer | ViewRenderer is the base class for view renderer classes.
yii\base\Widget | Widget is the base class for widgets.
yii\base\WidgetEvent | WidgetEvent represents the event parameter used for a widget event.
yii\behaviors\AttributeBehavior | AttributeBehavior automatically assigns a specified value to one or multiple attributes of an ActiveRecord object when certain events happen.
yii\behaviors\AttributeTypecastBehavior | AttributeTypecastBehavior provides an ability of automatic model attribute typecasting.
yii\behaviors\AttributesBehavior | AttributesBehavior automatically assigns values specified to one or multiple attributes of an ActiveRecord object when certain events happen.
yii\behaviors\BlameableBehavior | BlameableBehavior automatically fills the specified attributes with the current user ID.
yii\behaviors\CacheableWidgetBehavior | Cacheable widget behavior automatically caches widget contents according to duration and dependencies specified.
yii\behaviors\OptimisticLockBehavior | OptimisticLockBehavior automatically upgrades a model's lock version using the column name returned by optimisticLock().
yii\behaviors\SluggableBehavior | SluggableBehavior automatically fills the specified attribute with a value that can be used a slug in a URL.
yii\behaviors\TimestampBehavior | TimestampBehavior automatically fills the specified attributes with the current timestamp.
yii\caching\ApcCache | ApcCache provides APC caching in terms of an application component.
yii\caching\ArrayCache | ArrayCache provides caching for the current request only by storing the values in an array.
yii\caching\Cache | Cache is the base class for cache classes supporting different cache storage implementations.
yii\caching\CacheInterface | CacheInterface is the base interface for cache.
yii\caching\ChainedDependency | ChainedDependency represents a dependency which is composed of a list of other dependencies.
yii\caching\DbCache | DbCache implements a cache application component by storing cached data in a database.
yii\caching\DbDependency | DbDependency represents a dependency based on the query result of a SQL statement.
yii\caching\DbQueryDependency | DbQueryDependency represents a dependency based on the query result of an yii\db\QueryInterface instance.
yii\caching\Dependency | Dependency is the base class for cache dependency classes.
yii\caching\DummyCache | DummyCache is a placeholder cache component.
yii\caching\ExpressionDependency | ExpressionDependency represents a dependency based on the result of a PHP expression.
yii\caching\FileCache | FileCache implements a cache component using files.
yii\caching\FileDependency | FileDependency represents a dependency based on a file's last modification time.
yii\caching\MemCache | MemCache implements a cache application component based on memcache and memcached.
yii\caching\MemCacheServer | MemCacheServer represents the configuration data for a single memcache or memcached server.
yii\caching\TagDependency | TagDependency associates a cached data item with one or multiple $tags.
yii\caching\WinCache | WinCache provides Windows Cache caching in terms of an application component.
yii\caching\XCache | XCache provides XCache caching in terms of an application component.
yii\caching\ZendDataCache | ZendDataCache provides Zend data caching in terms of an application component.
yii\captcha\Captcha | Captcha renders a CAPTCHA image and an input field that takes user-entered verification code.
yii\captcha\CaptchaAction | CaptchaAction renders a CAPTCHA image.
yii\captcha\CaptchaAsset | This asset bundle provides the javascript files needed for the yii\captcha\Captcha widget.
yii\captcha\CaptchaValidator | CaptchaValidator validates that the attribute value is the same as the verification code displayed in the CAPTCHA.
yii\console\Application | Application represents a console application.
yii\console\Controller | Controller is the base class of console command classes.
yii\console\ErrorHandler | ErrorHandler handles uncaught PHP errors and exceptions.
yii\console\Exception | Exception represents an exception caused by incorrect usage of a console command.
yii\console\ExitCode | This class provides constants for defining console command exit codes.
yii\console\Markdown | A Markdown parser that enhances markdown for reading in console environments.
yii\console\Request | The console Request represents the environment information for a console application.
yii\console\Response | The console Response represents the result of a console application.
yii\console\UnknownCommandException | UnknownCommandException represents an exception caused by incorrect usage of a console command.
yii\console\controllers\AssetController | Allows you to combine and compress your JavaScript and CSS files.
yii\console\controllers\BaseMigrateController | BaseMigrateController is the base class for migrate controllers.
yii\console\controllers\CacheController | Allows you to flush cache.
yii\console\controllers\FixtureController | Manages fixture data loading and unloading.
yii\console\controllers\HelpController | Provides help information about console commands.
yii\console\controllers\MessageController | Extracts messages to be translated from source files.
yii\console\controllers\MigrateController | Manages application migrations.
yii\console\controllers\ServeController | Runs PHP built-in web server.
yii\console\widgets\Table | Table class displays a table in console.
yii\data\ActiveDataFilter | ActiveDataFilter allows composing a filtering condition in a format suitable for yii\db\QueryInterface::where().
yii\data\ActiveDataProvider | ActiveDataProvider implements a data provider based on yii\db\Query and yii\db\ActiveQuery.
yii\data\ArrayDataProvider | ArrayDataProvider implements a data provider based on a data array.
yii\data\BaseDataProvider | BaseDataProvider provides a base class that implements the yii\data\DataProviderInterface.
yii\data\DataFilter | DataFilter is a special yii\base\Model for processing query filtering specification.
yii\data\DataProviderInterface | DataProviderInterface is the interface that must be implemented by data provider classes.
yii\data\Pagination | Pagination represents information relevant to pagination of data items.
yii\data\Sort | Sort represents information relevant to sorting.
yii\data\SqlDataProvider | SqlDataProvider implements a data provider based on a plain SQL statement.
yii\db\ActiveQuery | ActiveQuery represents a DB query associated with an Active Record class.
yii\db\ActiveQueryInterface | ActiveQueryInterface defines the common interface to be implemented by active record query classes.
yii\db\ActiveQueryTrait | ActiveQueryTrait implements the common methods and properties for active record query classes.
yii\db\ActiveRecord | ActiveRecord is the base class for classes representing relational data in terms of objects.
yii\db\ActiveRecordInterface | ActiveRecordInterface.
yii\db\ActiveRelationTrait | ActiveRelationTrait implements the common methods and properties for active record relational queries.
yii\db\AfterSaveEvent | AfterSaveEvent represents the information available in yii\db\ActiveRecord::EVENT_AFTER_INSERT and yii\db\ActiveRecord::EVENT_AFTER_UPDATE.
yii\db\ArrayExpression | Class ArrayExpression represents an array SQL expression.
yii\db\BaseActiveRecord | ActiveRecord is the base class for classes representing relational data in terms of objects.
yii\db\BatchQueryResult | BatchQueryResult represents a batch query from which you can retrieve data in batches.
yii\db\CheckConstraint | CheckConstraint represents the metadata of a table `CHECK` constraint.
yii\db\ColumnSchema | ColumnSchema class describes the metadata of a column in a database table.
yii\db\ColumnSchemaBuilder | ColumnSchemaBuilder helps to define database schema types using a PHP interface.
yii\db\Command | Command represents a SQL statement to be executed against a database.
yii\db\Connection | Connection represents a connection to a database via PDO.
yii\db\Constraint | Constraint represents the metadata of a table constraint.
yii\db\ConstraintFinderInterface | ConstraintFinderInterface defines methods for getting a table constraint information.
yii\db\ConstraintFinderTrait | ConstraintFinderTrait provides methods for getting a table constraint information.
yii\db\DataReader | DataReader represents a forward-only stream of rows from a query result set.
yii\db\DefaultValueConstraint | DefaultValueConstraint represents the metadata of a table `DEFAULT` constraint.
yii\db\Exception | Exception represents an exception that is caused by some DB-related operations.
yii\db\Expression | Expression represents a DB expression that does not need escaping or quoting.
yii\db\ExpressionBuilder | Class ExpressionBuilder builds objects of yii\db\Expression class.
yii\db\ExpressionBuilderInterface | Interface ExpressionBuilderInterface is designed to build raw SQL from specific expression objects that implement yii\db\ExpressionInterface.
yii\db\ExpressionBuilderTrait | Trait ExpressionBuilderTrait provides common constructor for classes that should implement yii\db\ExpressionBuilderInterface
yii\db\ExpressionInterface | Interface ExpressionInterface should be used to mark classes, that should be built in a special way.
yii\db\ForeignKeyConstraint | ForeignKeyConstraint represents the metadata of a table `FOREIGN KEY` constraint.
yii\db\IndexConstraint | IndexConstraint represents the metadata of a table `INDEX` constraint.
yii\db\IntegrityException | Exception represents an exception that is caused by violation of DB constraints.
yii\db\JsonExpression | Class JsonExpression represents data that should be encoded to JSON.
yii\db\Migration | Migration is the base class for representing a database migration.
yii\db\MigrationInterface | The MigrationInterface defines the minimum set of methods to be implemented by a database migration.
yii\db\PdoValue | Class PdoValue represents a $value that should be bound to PDO with exact $type.
yii\db\PdoValueBuilder | Class PdoValueBuilder builds object of the yii\db\PdoValue expression class.
yii\db\Query | Query represents a SELECT SQL statement in a way that is independent of DBMS.
yii\db\QueryBuilder | QueryBuilder builds a SELECT SQL statement based on the specification given as a yii\db\Query object.
yii\db\QueryExpressionBuilder | Class QueryExpressionBuilder is used internally to build yii\db\Query object using unified yii\db\QueryBuilder expression building interface.
yii\db\QueryInterface | The QueryInterface defines the minimum set of methods to be implemented by a database query.
yii\db\QueryTrait | The BaseQuery trait represents the minimum method set of a database Query.
yii\db\Schema | Schema is the base class for concrete DBMS-specific schema classes.
yii\db\SchemaBuilderTrait | SchemaBuilderTrait contains shortcut methods to create instances of yii\db\ColumnSchemaBuilder.
yii\db\SqlToken | SqlToken represents SQL tokens produced by yii\db\SqlTokenizer or its child classes.
yii\db\SqlTokenizer | SqlTokenizer splits an SQL query into individual SQL tokens.
yii\db\StaleObjectException |
yii\db\TableSchema | TableSchema represents the metadata of a database table.
yii\db\Transaction | Transaction represents a DB transaction.
yii\db\ViewFinderTrait | ViewFinderTrait implements the method getViewNames for finding views in a database.
yii\db\conditions\AndCondition | Condition that connects two or more SQL expressions with the `AND` operator.
yii\db\conditions\BetweenColumnsCondition | Class BetweenColumnCondition represents a `BETWEEN` condition where values is between two columns. For example:
yii\db\conditions\BetweenColumnsConditionBuilder | Class BetweenColumnsConditionBuilder builds objects of yii\db\conditions\BetweenColumnsCondition
yii\db\conditions\BetweenCondition | Class BetweenCondition represents a `BETWEEN` condition.
yii\db\conditions\BetweenConditionBuilder | Class BetweenConditionBuilder builds objects of yii\db\conditions\BetweenCondition
yii\db\conditions\ConditionInterface | Interface ConditionInterface should be implemented by classes that represent a condition in DBAL of framework.
yii\db\conditions\ConjunctionCondition | Class ConjunctionCondition
yii\db\conditions\ConjunctionConditionBuilder | Class ConjunctionConditionBuilder builds objects of abstract class yii\db\conditions\ConjunctionCondition
yii\db\conditions\ExistsCondition | Condition that represents `EXISTS` operator.
yii\db\conditions\ExistsConditionBuilder | Class ExistsConditionBuilder builds objects of yii\db\conditions\ExistsCondition
yii\db\conditions\HashCondition | Condition based on column-value pairs.
yii\db\conditions\HashConditionBuilder | Class HashConditionBuilder builds objects of yii\db\conditions\HashCondition
yii\db\conditions\InCondition | Class InCondition represents `IN` condition.
yii\db\conditions\InConditionBuilder | Class InConditionBuilder builds objects of yii\db\conditions\InCondition
yii\db\conditions\LikeCondition | Class LikeCondition represents a `LIKE` condition.
yii\db\conditions\LikeConditionBuilder | Class LikeConditionBuilder builds objects of yii\db\conditions\LikeCondition
yii\db\conditions\NotCondition | Condition that inverts passed condition.
yii\db\conditions\NotConditionBuilder | Class NotConditionBuilder builds objects of yii\db\conditions\NotCondition
yii\db\conditions\OrCondition | Condition that connects two or more SQL expressions with the `AND` operator.
yii\db\conditions\SimpleCondition | Class SimpleCondition represents a simple condition like `"column" operator value`.
yii\db\conditions\SimpleConditionBuilder | Class NotConditionBuilder builds objects of yii\db\conditions\SimpleCondition
yii\db\cubrid\ColumnSchemaBuilder | ColumnSchemaBuilder is the schema builder for Cubrid databases.
yii\db\cubrid\QueryBuilder | QueryBuilder is the query builder for CUBRID databases (version 9.3.x and higher).
yii\db\cubrid\Schema | Schema is the class for retrieving metadata from a CUBRID database (version 9.3.x and higher).
yii\db\cubrid\conditions\LikeConditionBuilder |
yii\db\mssql\ColumnSchema | Class ColumnSchema for MSSQL database
yii\db\mssql\DBLibPDO | This is an extension of the default PDO class of DBLIB drivers.
yii\db\mssql\PDO | This is an extension of the default PDO class of MSSQL and DBLIB drivers.
yii\db\mssql\QueryBuilder | QueryBuilder is the query builder for MS SQL Server databases (version 2008 and above).
yii\db\mssql\Schema | Schema is the class for retrieving metadata from MS SQL Server databases (version 2008 and above).
yii\db\mssql\SqlsrvPDO | This is an extension of the default PDO class of SQLSRV driver.
yii\db\mssql\TableSchema | TableSchema represents the metadata of a database table.
yii\db\mssql\conditions\InConditionBuilder |
yii\db\mssql\conditions\LikeConditionBuilder |
yii\db\mysql\ColumnSchema | Class ColumnSchema for MySQL database
yii\db\mysql\ColumnSchemaBuilder | ColumnSchemaBuilder is the schema builder for MySQL databases.
yii\db\mysql\JsonExpressionBuilder | Class JsonExpressionBuilder builds yii\db\JsonExpression for MySQL DBMS.
yii\db\mysql\QueryBuilder | QueryBuilder is the query builder for MySQL databases.
yii\db\mysql\Schema | Schema is the class for retrieving metadata from a MySQL database (version 4.1.x and 5.x).
yii\db\oci\ColumnSchemaBuilder | ColumnSchemaBuilder is the schema builder for Oracle databases.
yii\db\oci\Command | Command represents an Oracle SQL statement to be executed against a database.
yii\db\oci\QueryBuilder | QueryBuilder is the query builder for Oracle databases.
yii\db\oci\Schema | Schema is the class for retrieving metadata from an Oracle database.
yii\db\oci\conditions\InConditionBuilder |
yii\db\oci\conditions\LikeConditionBuilder |
yii\db\pgsql\ArrayExpressionBuilder | Class ArrayExpressionBuilder builds yii\db\ArrayExpression for PostgreSQL DBMS.
yii\db\pgsql\ArrayParser | The class converts PostgreSQL array representation to PHP array
yii\db\pgsql\ColumnSchema | Class ColumnSchema for PostgreSQL database.
yii\db\pgsql\JsonExpressionBuilder | Class JsonExpressionBuilder builds yii\db\JsonExpression for PostgreSQL DBMS.
yii\db\pgsql\QueryBuilder | QueryBuilder is the query builder for PostgreSQL databases.
yii\db\pgsql\Schema | Schema is the class for retrieving metadata from a PostgreSQL database (version 9.x and above).
yii\db\sqlite\ColumnSchemaBuilder | ColumnSchemaBuilder is the schema builder for Sqlite databases.
yii\db\sqlite\Command | Command represents an SQLite's SQL statement to be executed against a database.
yii\db\sqlite\QueryBuilder | QueryBuilder is the query builder for SQLite databases.
yii\db\sqlite\Schema | Schema is the class for retrieving metadata from a SQLite (2/3) database.
yii\db\sqlite\SqlTokenizer | SqlTokenizer splits SQLite query into individual SQL tokens.
yii\db\sqlite\conditions\InConditionBuilder |
yii\db\sqlite\conditions\LikeConditionBuilder |
yii\di\Container | Container implements a dependency injection container.
yii\di\Instance | Instance represents a reference to a named object in a dependency injection (DI) container or a service locator.
yii\di\NotInstantiableException | NotInstantiableException represents an exception caused by incorrect dependency injection container configuration or usage.
yii\di\ServiceLocator | ServiceLocator implements a service locator.
yii\filters\AccessControl | AccessControl provides simple access control based on a set of rules.
yii\filters\AccessRule | This class represents an access rule defined by the yii\filters\AccessControl action filter.
yii\filters\AjaxFilter | AjaxFilter allow to limit access only for ajax requests.
yii\filters\ContentNegotiator | ContentNegotiator supports response format negotiation and application language negotiation.
yii\filters\Cors | Cors filter implements Cross Origin Resource Sharing.
yii\filters\HostControl | HostControl provides simple control over requested host name.
yii\filters\HttpCache | HttpCache implements client-side caching by utilizing the `Last-Modified` and `ETag` HTTP headers.
yii\filters\PageCache | PageCache implements server-side caching of whole pages.
yii\filters\RateLimitInterface | RateLimitInterface is the interface that may be implemented by an identity object to enforce rate limiting.
yii\filters\RateLimiter | RateLimiter implements a rate limiting algorithm based on the leaky bucket algorithm.
yii\filters\VerbFilter | VerbFilter is an action filter that filters by HTTP request methods.
yii\filters\auth\AuthInterface | AuthInterface is the interface that should be implemented by auth method classes.
yii\filters\auth\AuthMethod | AuthMethod is a base class implementing the yii\filters\auth\AuthInterface interface.
yii\filters\auth\CompositeAuth | CompositeAuth is an action filter that supports multiple authentication methods at the same time.
yii\filters\auth\HttpBasicAuth | HttpBasicAuth is an action filter that supports the HTTP Basic authentication method.
yii\filters\auth\HttpBearerAuth | HttpBearerAuth is an action filter that supports the authentication method based on HTTP Bearer token.
yii\filters\auth\HttpHeaderAuth | HttpHeaderAuth is an action filter that supports HTTP authentication through HTTP Headers.
yii\filters\auth\QueryParamAuth | QueryParamAuth is an action filter that supports the authentication based on the access token passed through a query parameter.
yii\grid\ActionColumn | ActionColumn is a column for the yii\grid\GridView widget that displays buttons for viewing and manipulating the items.
yii\grid\CheckboxColumn | CheckboxColumn displays a column of checkboxes in a grid view.
yii\grid\Column | Column is the base class of all yii\grid\GridView column classes.
yii\grid\DataColumn | DataColumn is the default column type for the yii\grid\GridView widget.
yii\grid\GridView | The GridView widget is used to display data in a grid.
yii\grid\GridViewAsset | This asset bundle provides the javascript files for the yii\grid\GridView widget.
yii\grid\RadioButtonColumn | RadioButtonColumn displays a column of radio buttons in a grid view.
yii\grid\SerialColumn | SerialColumn displays a column of row numbers (1-based).
yii\helpers\ArrayHelper | ArrayHelper provides additional array functionality that you can use in your application.
yii\helpers\BaseArrayHelper | BaseArrayHelper provides concrete implementation for yii\helpers\ArrayHelper.
yii\helpers\BaseConsole | BaseConsole provides concrete implementation for yii\helpers\Console.
yii\helpers\BaseFileHelper | BaseFileHelper provides concrete implementation for yii\helpers\FileHelper.
yii\helpers\BaseFormatConverter | BaseFormatConverter provides concrete implementation for yii\helpers\FormatConverter.
yii\helpers\BaseHtml | BaseHtml provides concrete implementation for yii\helpers\Html.
yii\helpers\BaseHtmlPurifier | BaseHtmlPurifier provides concrete implementation for yii\helpers\HtmlPurifier.
yii\helpers\BaseInflector | BaseInflector provides concrete implementation for yii\helpers\Inflector.
yii\helpers\BaseIpHelper | Class BaseIpHelper provides concrete implementation for yii\helpers\IpHelper
yii\helpers\BaseJson | BaseJson provides concrete implementation for yii\helpers\Json.
yii\helpers\BaseMarkdown | BaseMarkdown provides concrete implementation for yii\helpers\Markdown.
yii\helpers\BaseStringHelper | BaseStringHelper provides concrete implementation for yii\helpers\StringHelper.
yii\helpers\BaseUrl | BaseUrl provides concrete implementation for yii\helpers\Url.
yii\helpers\BaseVarDumper | BaseVarDumper provides concrete implementation for yii\helpers\VarDumper.
yii\helpers\Console | Console helper provides useful methods for command line related tasks such as getting input or formatting and coloring output.
yii\helpers\FileHelper | File system helper.
yii\helpers\FormatConverter | FormatConverter provides functionality to convert between different formatting pattern formats.
yii\helpers\Html | Html provides a set of static methods for generating commonly used HTML tags.
yii\helpers\HtmlPurifier | HtmlPurifier provides an ability to clean up HTML from any harmful code.
yii\helpers\Inflector | Inflector pluralizes and singularizes English nouns. It also contains some other useful methods.
yii\helpers\IpHelper | Class IpHelper provides a set of IP-related static methods.
yii\helpers\Json | Json is a helper class providing JSON data encoding and decoding.
yii\helpers\Markdown | Markdown provides an ability to transform markdown into HTML.
yii\helpers\ReplaceArrayValue | Object that represents the replacement of array value while performing yii\helpers\ArrayHelper::merge().
yii\helpers\StringHelper | StringHelper.
yii\helpers\UnsetArrayValue | Object that represents the removal of array value while performing yii\helpers\ArrayHelper::merge().
yii\helpers\Url | Url provides a set of static methods for managing URLs.
yii\helpers\VarDumper | VarDumper is intended to replace the buggy PHP function var_dump and print_r.
yii\i18n\DbMessageSource | DbMessageSource extends yii\i18n\MessageSource and represents a message source that stores translated messages in database.
yii\i18n\Formatter | Formatter provides a set of commonly used data formatting methods.
yii\i18n\GettextFile | GettextFile is the base class for representing a Gettext message file.
yii\i18n\GettextMessageSource | GettextMessageSource represents a message source that is based on GNU Gettext.
yii\i18n\GettextMoFile | GettextMoFile represents an MO Gettext message file.
yii\i18n\GettextPoFile | GettextPoFile represents a PO Gettext message file.
yii\i18n\I18N | I18N provides features related with internationalization (I18N) and localization (L10N).
yii\i18n\Locale | Locale provides various locale information via convenient methods.
yii\i18n\MessageFormatter | MessageFormatter allows formatting messages via ICU message format.
yii\i18n\MessageSource | MessageSource is the base class for message translation repository classes.
yii\i18n\MissingTranslationEvent | MissingTranslationEvent represents the parameter for the yii\i18n\MessageSource::EVENT_MISSING_TRANSLATION event.
yii\i18n\PhpMessageSource | PhpMessageSource represents a message source that stores translated messages in PHP scripts.
yii\log\DbTarget | DbTarget stores log messages in a database table.
yii\log\Dispatcher | Dispatcher manages a set of log targets.
yii\log\EmailTarget | EmailTarget sends selected log messages to the specified email addresses.
yii\log\FileTarget | FileTarget records log messages in a file.
yii\log\LogRuntimeException | LogRuntimeException represents an exception caused by problems with log delivery.
yii\log\Logger | Logger records logged messages in memory and sends them to different targets if $dispatcher is set.
yii\log\SyslogTarget | SyslogTarget writes log to syslog.
yii\log\Target | Target is the base class for all log target classes.
yii\mail\BaseMailer | BaseMailer serves as a base class that implements the basic functions required by yii\mail\MailerInterface.
yii\mail\BaseMessage | BaseMessage serves as a base class that implements the send() method required by yii\mail\MessageInterface.
yii\mail\MailEvent | MailEvent represents the event parameter used for events triggered by yii\mail\BaseMailer.
yii\mail\MailerInterface | MailerInterface is the interface that should be implemented by mailer classes.
yii\mail\MessageInterface | MessageInterface is the interface that should be implemented by mail message classes.
yii\mutex\DbMutex | DbMutex is the base class for classes, which relies on database while implementing mutex "lock" mechanism.
yii\mutex\FileMutex | FileMutex implements mutex "lock" mechanism via local file system files.
yii\mutex\Mutex | The Mutex component allows mutual execution of concurrent processes in order to prevent "race conditions".
yii\mutex\MysqlMutex | MysqlMutex implements mutex "lock" mechanism via MySQL locks.
yii\mutex\OracleMutex | OracleMutex implements mutex "lock" mechanism via Oracle locks.
yii\mutex\PgsqlMutex | PgsqlMutex implements mutex "lock" mechanism via PgSQL locks.
yii\mutex\RetryAcquireTrait | Trait RetryAcquireTrait.
yii\rbac\Assignment | Assignment represents an assignment of a role to a user.
yii\rbac\BaseManager | BaseManager is a base class implementing yii\rbac\ManagerInterface for RBAC management.
yii\rbac\CheckAccessInterface | For more details and usage information on CheckAccessInterface, see the guide article on security authorization.
yii\rbac\DbManager | DbManager represents an authorization manager that stores authorization information in database.
yii\rbac\Item | For more details and usage information on Item, see the guide article on security authorization.
yii\rbac\ManagerInterface | For more details and usage information on ManagerInterface, see the guide article on security authorization.
yii\rbac\Permission | For more details and usage information on Permission, see the guide article on security authorization.
yii\rbac\PhpManager | PhpManager represents an authorization manager that stores authorization information in terms of a PHP script file.
yii\rbac\Role | For more details and usage information on Role, see the guide article on security authorization.
yii\rbac\Rule | Rule represents a business constraint that may be associated with a role, permission or assignment.
yii\rest\Action | Action is the base class for action classes that implement RESTful API.
yii\rest\ActiveController | ActiveController implements a common set of actions for supporting RESTful access to ActiveRecord.
yii\rest\Controller | Controller is the base class for RESTful API controller classes.
yii\rest\CreateAction | CreateAction implements the API endpoint for creating a new model from the given data.
yii\rest\DeleteAction | DeleteAction implements the API endpoint for deleting a model.
yii\rest\IndexAction | IndexAction implements the API endpoint for listing multiple models.
yii\rest\OptionsAction | OptionsAction responds to the OPTIONS request by sending back an `Allow` header.
yii\rest\Serializer | Serializer converts resource objects and collections into array representation.
yii\rest\UpdateAction | UpdateAction implements the API endpoint for updating a model.
yii\rest\UrlRule | UrlRule is provided to simplify the creation of URL rules for RESTful API support.
yii\rest\ViewAction | ViewAction implements the API endpoint for returning the detailed information about a model.
yii\test\ActiveFixture | ActiveFixture represents a fixture backed up by a ActiveRecord class or a database table.
yii\test\ArrayFixture | ArrayFixture represents arbitrary fixture that can be loaded from PHP files.
yii\test\BaseActiveFixture | BaseActiveFixture is the base class for fixture classes that support accessing fixture data as ActiveRecord objects.
yii\test\DbFixture | DbFixture is the base class for DB-related fixtures.
yii\test\FileFixtureTrait | FileFixtureTrait provides functionalities for loading data fixture from file.
yii\test\Fixture | Fixture represents a fixed state of a test environment.
yii\test\FixtureTrait | FixtureTrait provides functionalities for loading, unloading and accessing fixtures for a test case.
yii\test\InitDbFixture | InitDbFixture represents the initial state needed for DB-related tests.
yii\validators\BooleanValidator | BooleanValidator checks if the attribute value is a boolean value.
yii\validators\CompareValidator | CompareValidator compares the specified attribute value with another value.
yii\validators\DateValidator | DateValidator verifies if the attribute represents a date, time or datetime in a proper $format.
yii\validators\DefaultValueValidator | DefaultValueValidator sets the attribute to be the specified default value.
yii\validators\EachValidator | EachValidator validates an array by checking each of its elements against an embedded validation rule.
yii\validators\EmailValidator | EmailValidator validates that the attribute value is a valid email address.
yii\validators\ExistValidator | ExistValidator validates that the attribute value exists in a table.
yii\validators\FileValidator | FileValidator verifies if an attribute is receiving a valid uploaded file.
yii\validators\FilterValidator | FilterValidator converts the attribute value according to a filter.
yii\validators\ImageValidator | ImageValidator verifies if an attribute is receiving a valid image.
yii\validators\InlineValidator | InlineValidator represents a validator which is defined as a method in the object being validated.
yii\validators\IpValidator | The validator checks if the attribute value is a valid IPv4/IPv6 address or subnet.
yii\validators\NumberValidator | NumberValidator validates that the attribute value is a number.
yii\validators\PunycodeAsset | This asset bundle provides the javascript files needed for the yii\validators\EmailValidators client validation.
yii\validators\RangeValidator | RangeValidator validates that the attribute value is among a list of values.
yii\validators\RegularExpressionValidator | RegularExpressionValidator validates that the attribute value matches the specified $pattern.
yii\validators\RequiredValidator | RequiredValidator validates that the specified attribute does not have null or empty value.
yii\validators\SafeValidator | SafeValidator serves as a dummy validator whose main purpose is to mark the attributes to be safe for massive assignment.
yii\validators\StringValidator | StringValidator validates that the attribute value is of certain length.
yii\validators\UniqueValidator | UniqueValidator validates that the attribute value is unique in the specified database table.
yii\validators\UrlValidator | UrlValidator validates that the attribute value is a valid http or https URL.
yii\validators\ValidationAsset | This asset bundle provides the javascript files for client validation.
yii\validators\Validator | Validator is the base class for all validators.
yii\web\Application | Application is the base class for all web application classes.
yii\web\AssetBundle | AssetBundle represents a collection of asset files, such as CSS, JS, images.
yii\web\AssetConverter | AssetConverter supports conversion of several popular script formats into JS or CSS scripts.
yii\web\AssetConverterInterface | The AssetConverterInterface must be implemented by asset converter classes.
yii\web\AssetManager | AssetManager manages asset bundle configuration and loading.
yii\web\BadRequestHttpException | BadRequestHttpException represents a "Bad Request" HTTP exception with status code 400.
yii\web\CacheSession | CacheSession implements a session component using cache as storage medium.
yii\web\CompositeUrlRule | CompositeUrlRule is the base class for URL rule classes that consist of multiple simpler rules.
yii\web\ConflictHttpException | ConflictHttpException represents a "Conflict" HTTP exception with status code 409.
yii\web\Controller | Controller is the base class of web controllers.
yii\web\Cookie | Cookie represents information related with a cookie, such as $name, $value, $domain, etc.
yii\web\CookieCollection | CookieCollection maintains the cookies available in the current request.
yii\web\DbSession | DbSession extends yii\web\Session by using database as session data storage.
yii\web\ErrorAction | ErrorAction displays application errors using a specified view.
yii\web\ErrorHandler | ErrorHandler handles uncaught PHP errors and exceptions.
yii\web\ForbiddenHttpException | ForbiddenHttpException represents a "Forbidden" HTTP exception with status code 403.
yii\web\GoneHttpException | GoneHttpException represents a "Gone" HTTP exception with status code 410.
yii\web\GroupUrlRule | GroupUrlRule represents a collection of URL rules sharing the same prefix in their patterns and routes.
yii\web\HeaderCollection | HeaderCollection is used by yii\web\Response to maintain the currently registered HTTP headers.
yii\web\HeadersAlreadySentException | HeadersAlreadySentException represents an exception caused by any headers that were already sent before web response was sent.
yii\web\HtmlResponseFormatter | HtmlResponseFormatter formats the given data into an HTML response content.
yii\web\HttpException | HttpException represents an exception caused by an improper request of the end-user.
yii\web\IdentityInterface | IdentityInterface is the interface that should be implemented by a class providing identity information.
yii\web\JqueryAsset | This asset bundle provides the jQuery JavaScript library.
yii\web\JsExpression | JsExpression marks a string as a JavaScript expression.
yii\web\JsonParser | Parses a raw HTTP request using yii\helpers\Json::decode().
yii\web\JsonResponseFormatter | JsonResponseFormatter formats the given data into a JSON or JSONP response content.
yii\web\Link | Link represents a link object as defined in JSON Hypermedia API Language.
yii\web\Linkable | Linkable is the interface that should be implemented by classes that typically represent locatable resources.
yii\web\MethodNotAllowedHttpException | MethodNotAllowedHttpException represents a "Method Not Allowed" HTTP exception with status code 405.
yii\web\MultiFieldSession | MultiFieldSession is the base class for session storage implementations with multi-field data storage support.
yii\web\MultipartFormDataParser | MultipartFormDataParser parses content encoded as 'multipart/form-data'.
yii\web\NotAcceptableHttpException | NotAcceptableHttpException represents a "Not Acceptable" HTTP exception with status code 406.
yii\web\NotFoundHttpException | NotFoundHttpException represents a "Not Found" HTTP exception with status code 404.
yii\web\RangeNotSatisfiableHttpException | RangeNotSatisfiableHttpException represents an exception caused by an improper request of the end-user.
yii\web\Request | The web Request class represents an HTTP request.
yii\web\RequestParserInterface | Interface for classes that parse the raw request body into a parameters array.
yii\web\Response | The web Response class represents an HTTP response.
yii\web\ResponseFormatterInterface | ResponseFormatterInterface specifies the interface needed to format a response before it is sent out.
yii\web\ServerErrorHttpException | ServerErrorHttpException represents an "Internal Server Error" HTTP exception with status code 500.
yii\web\Session | Session provides session data management and the related configurations.
yii\web\SessionIterator | SessionIterator implements an iterator for traversing session variables managed by yii\web\Session.
yii\web\TooManyRequestsHttpException | TooManyRequestsHttpException represents a "Too Many Requests" HTTP exception with status code 429.
yii\web\UnauthorizedHttpException | UnauthorizedHttpException represents an "Unauthorized" HTTP exception with status code 401.
yii\web\UnprocessableEntityHttpException | UnprocessableEntityHttpException represents an "Unprocessable Entity" HTTP exception with status code 422.
yii\web\UnsupportedMediaTypeHttpException | UnsupportedMediaTypeHttpException represents an "Unsupported Media Type" HTTP exception with status code 415.
yii\web\UploadedFile | UploadedFile represents the information for an uploaded file.
yii\web\UrlManager | UrlManager handles HTTP request parsing and creation of URLs based on a set of rules.
yii\web\UrlNormalizer | UrlNormalizer normalizes URLs for yii\web\UrlManager and yii\web\UrlRule.
yii\web\UrlNormalizerRedirectException | UrlNormalizerRedirectException represents an information for redirection which should be performed during the URL normalization.
yii\web\UrlRule | UrlRule represents a rule used by yii\web\UrlManager for parsing and generating URLs.
yii\web\UrlRuleInterface | UrlRuleInterface is the interface that should be implemented by URL rule classes.
yii\web\User | User is the class for the `user` application component that manages the user authentication status.
yii\web\UserEvent | This event class is used for Events triggered by the yii\web\User class.
yii\web\View | View represents a view object in the MVC pattern.
yii\web\ViewAction | ViewAction represents an action that displays a view according to a user-specified parameter.
yii\web\XmlResponseFormatter | XmlResponseFormatter formats the given data into an XML response content.
yii\web\YiiAsset | This asset bundle provides the base JavaScript files for the Yii Framework.
yii\widgets\ActiveField | ActiveField represents a form input field within an yii\widgets\ActiveForm.
yii\widgets\ActiveForm | ActiveForm is a widget that builds an interactive HTML form for one or multiple data models.
yii\widgets\ActiveFormAsset | The asset bundle for the yii\widgets\ActiveForm widget.
yii\widgets\BaseListView | BaseListView is a base class for widgets displaying data from data provider such as ListView and GridView.
yii\widgets\Block | Block records all output between begin() and end() calls and stores it in yii\base\View::$blocks.
yii\widgets\Breadcrumbs | Breadcrumbs displays a list of links indicating the position of the current page in the whole site hierarchy.
yii\widgets\ContentDecorator | ContentDecorator records all output between begin() and end() calls, passes it to the given view file as `$content` and then echoes rendering result.
yii\widgets\DetailView | DetailView displays the detail of a single data $model.
yii\widgets\FragmentCache | FragmentCache is used by yii\base\View to provide caching of page fragments.
yii\widgets\InputWidget | InputWidget is the base class for widgets that collect user inputs.
yii\widgets\LinkPager | LinkPager displays a list of hyperlinks that lead to different pages of target.
yii\widgets\LinkSorter | LinkSorter renders a list of sort links for the given sort definition.
yii\widgets\ListView | The ListView widget is used to display data from data provider. Each data model is rendered using the view specified.
yii\widgets\MaskedInput | MaskedInput generates a masked text input.
yii\widgets\MaskedInputAsset | The asset bundle for the yii\widgets\MaskedInput widget.
yii\widgets\Menu | Menu displays a multi-level menu using nested HTML lists.
yii\widgets\Pjax | Pjax is a widget integrating the pjax jQuery plugin.
yii\widgets\PjaxAsset | This asset bundle provides the javascript files required by yii\widgets\Pjax widget.
yii\widgets\Spaceless | Spaceless widget removes whitespace characters between HTML tags. Whitespaces within HTML tags or in a plain text are always left untouched.