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Table of Contents

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Backend Development

PHP Tutorial

Yii PHP framework version 2

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Jul 29, 2016 am 09:13 AM

base for the yii

Translator of this article: Alexander Gao Please indicate the source when quoting or reprinting.

Yii PHP Framework Version 2 ?

Installation

This is the core framework code of Yii 2.

This repository is a child of https://github.com/yiisoft/yii2 Project, please submit issue reports and pull requests to the main repository. Please consult the LICENSE document for licensing information.

Installation ?

It is recommended to install the Yii framework through composer.

Run

composer global <strong>require</strong> "fxp/composer-asset-plugin:~1.0.0"<span>composer <strong>require</strong> yiisoft</span>/yii2

or add

"yiisoft/yii2": "~2.0.0",

to the require section of composer.json.

Class Reference

BootstrapBootstrapBootstrapproperty, eventbehaviorController is the base class for classes that contain controller logic. DynamicModel is a model class mainly used for specific data validation. ExceptionExceptionEvent is the base class for all event classes. ExceptionExceptionExceptionExceptionModelEvent represents a parameter required by yiibaseModel events. Module is the base class for modules and application classes. ExceptionExceptionpropertyyiibaseRequestApplicationyiibaseResponseApplicationyiibaseSecurityTheme Represents the theme of the application. ExceptionExceptionApcCache provides APC caching in terms of an ApplicationArrayCache provides caching for the current request only by storing the values ??in an array.Cache is the base class for cache classes supporting different cache storage implementations.ApplicationyiicachingDependencyyiicachingExpressionDependencyyiicachingFileCacheApplication component based on memcache and memcached.MemCacheServer represents the configuration data for a single memcache or memcached server.TagDependency associates a cached data item with one or multiple $tags. ache caching in terms of an ApplicationZendDataCache provides Zend data caching in terms of an ApplicationyiicaptchaCaptchayiicaptchaCaptchaAction

Class	Description
Yii	Yii is a helper class that serves common framework functions.
yiiBaseYii	BaseYii is the core helper class of Yii framework.
yiibaseAction	Action is the base class for all controller action classes.
yiibaseActionEvent	ActionEvent is used to represent the event parameters of an action event.
yiibaseActionFilter	ActionFilter is the base class of action filters.
yiibaseApplication	Application is the base class for all application classes.
yiibaseArrayAccessTrait	ArrayAccessTrait provides implementations for IteratorAggregate, ArrayAccess and Countable.
yiibaseArrayable	Arrayable is the interface that should be implemented by classes who want to support customizable representation of their instances.
yiibaseBehavior	Behavior is the base class for all behavior classes.
yiibase	Interface
Interface is the interface that should be implemented by classes who want to participate in the Application	process.yiibaseComponent Component is the base class that implements the
and	features.yiibaseConfigurableConfigurable is the interface that should be implemented by classes who support configuring its properties through the last parameter to its constructor. yiibaseController
	yiibaseDynamicModel
	yiibaseError
Error	represents a PHP error.
yiibaseErrorHandlerErrorHandler handles uncaught PHP errors and exceptions.	yiibaseEvent
	yiibase
	represents a common exception for all problems.
yiibaseExitException	ExitException represents the normal termination of an application.
yiibaseInlineActionInlineAction represents an action defined as a controller method.	yiibaseInvalidCall
InvalidCall	represents an exception caused by calling a method in the wrong way.
yiibaseInvalidConfigException	InvalidConfigException represents an exception caused by incorrect object configuration.
yiibaseInvalidParamException	InvalidParamException represents an exception caused by an invalid function passed into a method.
yiibaseInvalidRouteException	InvalidRouteException represents an exception caused by an invalid route. .
yiibaseInvalidValueException	InvalidValueException represents an exception caused by a function returning a value of an unexpected type.
yiibaseModelModel is the base class of the data model.	yiibaseModelEvent
	yiibaseModule
	yiibaseNotSupported
NotSupported	Represents an exception caused by accessing unsupported functionality.
yiibaseObjectObject is the base class that implements the	feature.
Request represents a request object processed by yiibase	.
Response represents the response of an yiibase	to a yiibaseRequest.
Security provides a set of methods to handle common security-related tasks.	yiibaseTheme
	yiibaseUnknownClass
UnknownClass	represents an exception caused by using an unknown class.
yiibaseUnknownMethodException	UnknownMethodException represents an Exception caused by accessing an unknown object method.
yiibaseUnknownPropertyException	Un knownPropertyException represents an Exception caused by accessing unknown object properties.
yiibaseUserException	UserException is the base class for exceptions that will be displayed to the end user.
yiibaseView	View represents the view object in MVC mode.
yiibaseViewContextInterface	ViewContextInterface is the interface that should be implemented by classes who want to support relative view names.
yiibaseViewEvent	ViewEvent represents an event triggered by the yiibaseView component.
yiibaseViewRenderer	ViewRenderer is the base class of the view rendering class.
yiibaseWidget	Widget is the base class of plugin class.
yiibehaviorsAttributeBehavior	AttributeBehavior automatically assigns a specified value to one or multiple attributes of an ActiveRecord object when certain events happen.
yiibehaviorsBlameableBehavior	BlameableBehavior automatically fills the specified attributes with the current user ID.
yiibehaviorsSluggableBehavior	SluggableBehavior automatically fills the specified attributes with a value that can be used a slug in a URL.
yiibehaviorsTimestampBehavior	TimestampBehavior automatically fills the specified attributes with the current timestamp. ApcCache
component.	yiicachingArrayCache
	yiicachingCache
	chainedDependency represents a dependency which is composed of a list of other dependencies.
yiicachingDbCache implements a cache	component by storing cached data in a database.
yiicachingDbDependency	DbDependency represents a dependency based on the query result of a SQL statement.
Dependency is the base class for cache dependency classes. DummyCache is a placeholder cache component.
ExpressionDependency represents a dependency based on the result of a PHP expression.
FileCache implements a cache component using files.	FileDependency represents a dependency based on a file's last modification time.
yiicachingMemCache	MemCache implements a cache
	yiicachingMemCacheServer
	yiicachingTagDependency
component.	yiicachingZendDataCache
component.
Captcha displays a verification code image and receives the verification code entered by the user Input box .
CaptchaAction displays a verification code image.
yiicaptchaCaptchaAsset	This asset bundle provides the javascript files needed for the yiicaptchaCaptcha widget.
yiicaptchaCaptchaValidator	CaptchaValidator validates that the attribute value is the same as the verification code displayed in the CAPTCHA.
yiiconsoleApplication	Application represents a console Application.
yiiconsoleController	Controller is the base class of console command classes.
yiiconsoleErrorHandler	ErrorHandler handles uncaught PHP errors and Exceptions.
yiiconsoleException	Exception represents an Exception caused by incorrect usage of a console command.
yiiconsoleMarkdown	A Markdown parser that enhances markdown for reading in console environments.
yiiconsoleRequest	The console Request represents the environment information for a console Application.
yiiconsoleResponse	The console Response represents the result of a console Application.
yiiconsolecontrollersAssetController	Allows you to combine and compress your JavaScript and CSS files.
yiiconsolecontrollersBaseMigrateController	BaseMigrateController is base class for migrate controllers.
yiiconsolecontrollersCacheController	允許你來(lái)刷新緩存。
yiiconsolecontrollersFixtureController	Manages fixture data loading and unloading.
yiiconsolecontrollersHelpController	提供關(guān)于控制臺(tái)命令的錯(cuò)誤信息。
yiiconsolecontrollersMessageController	Extracts messages to be translated from source files.
yiiconsolecontrollersMigrateController	Manages Application migrations.
yiidataActiveDataProvider	ActiveDataProvider implements a data provider based on yiidbQuery and yiidbActiveQuery.
yiidataArrayDataProvider	ArrayDataProvider implements a data provider based on a data array.
yiidataBaseDataProvider	BaseDataProvider provides a base class that implements the yiidataDataProviderInterface.
yiidataDataProviderInterface	DataProviderInterface is the interface that must be implemented by data provider classes.
yiidataPagination	Pagination represents information relevant to pagination of data items.
yiidataSort	Sort represents information relevant to sorting.
yiidataSqlDataProvider	SqlDataProvider implements a data provider based on a plain SQL statement.
yiidbActiveQuery	ActiveQuery represents a DB query associated with an Active Record class.
yiidbActiveQueryInterface	ActiveQueryInterface defines the common interface to be implemented by active record query classes.
yiidbActiveQueryTrait	ActiveQueryTrait implements the common methods and properties for active record query classes.
yiidbActiveRecord	ActiveRecord is the base class for classes representing relational data in terms of objects.
yiidbActiveRecordInterface	ActiveRecordInterface
yiidbActiveRelationTrait	ActiveRelationTrait implements the common methods and properties for active record relational queries.
yiidbAfterSaveEvent	AfterSaveEvent represents the information available in yiidbActiveRecord::EVENT_AFTER_INSERT and yiidbActiveRecord::EVENT_AFTER_UPDATE.
yiidbBaseActiveRecord	ActiveRecord is the base class for classes representing relational data in terms of objects.
yiidbBatchQueryResult	BatchQueryResult represents a batch query from which you can retrieve data in batches.
yiidbColumnSchema	ColumnSchema class describes the metadata of a column in a database table.
yiidbColumnSchemaBuilder	ColumnSchemaBuilder helps to define database schema types using a PHP interface.
yiidbCommand	Command represents a SQL statement to be executed against a database.
yiidbConnection	Connection represents a connection to a database via PDO.
yiidbDataReader	DataReader represents a forward-only stream of rows from a query result set.
yiidbException	Exception represents an Exception that is caused by some DB-related operations.
yiidbExpression	Expression represents a DB expression that does not need escaping or quoting.
yiidbIntegrityException	Exception represents an Exception that is caused by violation of DB constraints.
yiidbMigration	Migration is the base class for representing a database migration.
yiidbMigrationInterface	The MigrationInterface defines the minimum set of methods to be implemented by a database migration.
yiidbQuery	Query represents a SELECT SQL statement in a way that is independent of DBMS.
yiidbQueryBuilder	QueryBuilder builds a SELECT SQL statement based on the specification given as a yiidbQuery object.
yiidbQueryInterface	The QueryInterface defines the minimum set of methods to be implemented by a database query.
yiidbQueryTrait	The BaseQuery trait represents the minimum method set of a database Query.
yiidbSchema	Schema is the base class for concrete DBMS-specific schema classes.
yiidbSchemaBuilderTrait	SchemaBuilderTrait contains shortcut methods to create instances of yiidbColumnSchemaBuilder.
yiidbStaleObjectException	?
yiidbTableSchema	TableSchema represents the metadata of a database table.
yiidbTransaction	Transaction 表示一個(gè)數(shù)據(jù)庫(kù)事務(wù)。
yiidbcubridQueryBuilder	QueryBuilder is the query builder for CUBRID databases (version 9.3.x and higher).
yiidbcubridSchema	Schema is the class for retrieving metadata from a CUBRID database (version 9.3.x and higher).
yiidbmssqlPDO	This is an extension of the default PDO class of MSSQL and DBLIB drivers.
yiidbmssqlQueryBuilder	QueryBuilder is the query builder for MS SQL Server databases (version 2008 and above).
yiidbmssqlSchema	Schema is the class for retrieving metadata from a MS SQL Server databases (version 2008 and above).
yiidbmssqlSqlsrvPDO	This is an extension of the default PDO class of SQLSRV driver.
yiidbmssqlTableSchema	TableSchema represents the metadata of a database table.
yiidbmysqlQueryBuilder	QueryBuilder 是MySQL數(shù)據(jù)庫(kù)的查詢構(gòu)建器。
yiidbmysqlSchema	Schema is the class for retrieving metadata from a MySQL database (version 4.1.x and 5.x).
yiidbociColumnSchemaBuilder	ColumnSchemaBuilder is the schema builder for Oracle databases.
yiidbociQueryBuilder	QueryBuilder is the query builder for Oracle databases.
yiidbociSchema	Schema is the class for retrieving metadata from an Oracle database
yiidbpgsqlQueryBuilder	QueryBuilder is the query builder for PostgreSQL databases.
yiidbpgsqlSchema	Schema is the class for retrieving metadata from a PostgreSQL database (version 9.x and above).
yiidbsqliteQueryBuilder	QueryBuilder is the query builder for SQLite databases.
yiidbsqliteSchema	Schema is the class for retrieving metadata from a SQLite (2/3) database.
yiidiContainer	Container implements a dependency injection container.
yiidiInstance	Instance represents a reference to a named object in a dependency injection (DI) container or a service locator.
yiidiServiceLocator	ServiceLocator 實(shí)現(xiàn)了一個(gè)服務(wù)定位器。
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\ContentNegotiator	ContentNegotiator supports response format negotiation and Application language negotiation.
yii\filters\Cors	Cors filter implements Cross Origin Resource Sharing.
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\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\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.
yiihelpersBaseArrayHelper	BaseArrayHelper provides concrete implementation for yiihelpersArrayHelper.
yiihelpersBaseConsole	BaseConsole provides concrete implementation for yiihelpersConsole.
yiihelpersBaseFileHelper	BaseFileHelper provides concrete implementation for yiihelpersFileHelper.
yiihelpersBaseFormatConverter	BaseFormatConverter provides concrete implementation for yiihelpersFormatConverter.
yiihelpersBaseHtml	BaseHtml provides concrete implementation for yiihelpersHtml.
yiihelpersBaseHtmlPurifier	BaseHtmlPurifier provides concrete implementation for yiihelpersHtmlPurifier.
yiihelpersBaseInflector	BaseInflector provides concrete implementation for yiihelpersInflector.
yiihelpersBaseJson	BaseJson provides concrete implementation for yiihelpersJson.
yiihelpersBaseMarkdown	BaseMarkdown provides concrete implementation for yiihelpersMarkdown.
yiihelpersBaseStringHelper	BaseStringHelper provides concrete implementation for yiihelpersStringHelper.
yiihelpersBaseUrl	BaseUrl provides concrete implementation for yiihelpersUrl.
yiihelpersBaseVarDumper	BaseVarDumper provides concrete implementation for yiihelpersVarDumper.
yiihelpersConsole	Console helper provides useful methods for command line related tasks such as getting input or formatting and coloring output.
yiihelpersFileHelper	File system helper
yiihelpersFormatConverter	FormatConverter provides functionality to convert between different formatting pattern formats.
yiihelpersHtml	Html provides a set of static methods for generating commonly used HTML tags.
yiihelpersHtmlPurifier	HtmlPurifier provides an ability to clean up HTML from any harmful code.
yiihelpersInflector	Inflector pluralizes and singularizes English nouns. It also contains some other useful methods.
yiihelpersJson	Json is a helper class providing JSON data encoding and decoding.
yiihelpersMarkdown	Markdown provides an ability to transform markdown into HTML.
yiihelpersStringHelper	StringHelper
yiihelpersUrl	Url provides a set of static methods for managing URLs.
yiihelpersVarDumper	VarDumper is intended to replace the buggy PHP function var_dump and print_r.
yiii18nDbMessageSource	DbMessageSource extends yiii18nMessageSource and represents a message source that stores translated messages in database.
yiii18nFormatter	Formatter provides a set of commonly used data formatting methods.
yiii18nGettextFile	GettextFile is the base class for representing a Gettext message file.
yiii18nGettextMessageSource	GettextMessageSource represents a message source that is based on GNU Gettext.
yiii18nGettextMoFile	GettextMoFile represents an MO Gettext message file.
yiii18nGettextPoFile	GettextPoFile represents a PO Gettext message file.
yiii18nI18N	I18N provides features related with internationalization (I18N) and localization (L10N).
yiii18nMessageFormatter	MessageFormatter allows formatting messages via ICU message format
yiii18nMessageSource	MessageSource is the base class for message translation repository classes.
yiii18nMissingTranslationEvent	MissingTranslationEvent represents the parameter for the yiii18nMessageSource::EVENT_MISSING_TRANSLATION event.
yiii18nPhpMessageSource	PhpMessageSource represents a message source that stores translated messages in PHP scripts.
yiilogDbTarget	DbTarget stores log messages in a database table.
yiilogDispatcher	Dispatcher manages a set of log targets.
yiilogEmailTarget	EmailTarget sends selected log messages to the specified email addresses.
yiilogFileTarget	FileTarget records log messages in a file.
yiilogLogger	Logger records logged messages in memory and sends them to different targets if $dispatcher is set.
yiilogSyslogTarget	SyslogTarget writes log to syslog.
yiilogTarget	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 yiimailMessageInterface.
yiimailMailEvent	MailEvent represents the event parameter used for events triggered by yiimailBaseMailer.
yiimailMailerInterface	MailerInterface is the interface that should be implemented by mailer classes.
yiimailMessageInterface	MessageInterface is the interface that should be implemented by mail message classes.
yiimutexDbMutex	DbMutex is the base class for classes, which relies on database while implementing mutex "lock" mechanism.
yiimutexFileMutex	FileMutex implements mutex "lock" mechanism via local file system files.
yiimutexMutex	Mutex component allows mutual execution of the concurrent processes, preventing "race conditions".
yiimutexMysqlMutex	MysqlMutex implements mutex "lock" mechanism via MySQL locks.
yiirbacAssignment	Assignment represents an assignment of a role to a user.
yiirbacBaseManager	BaseManager is a base class implementing yiirbacManagerInterface for RBAC management.
yiirbacDbManager	DbManager represents an authorization manager that stores authorization information in database.
yiirbacItem	?
yiirbacManagerInterface	?
yiirbacPermission	?
yiirbacPhpManager	PhpManager represents an authorization manager that stores authorization information in terms of a PHP script file.
yiirbacRole	?
yiirbacRule	Rule represents a business constraint that may be associated with a role, permission or assignment.
yiirestAction	Action is the base class for action classes that implement RESTful API.
yiirestActiveController	ActiveController implements a common set of actions for supporting RESTful access to ActiveRecord.
yiirestController	Controller is the base class for RESTful API controller classes.
yiirestCreateAction	CreateAction implements the API endpoint for creating a new model from the given data.
yiirestDeleteAction	DeleteAction implements the API endpoint for deleting a model.
yiirestIndexAction	?
yiirestOptionsAction	OptionsAction responds to the OPTIONS request by sending back an `Allow` header.
yiirestSerializer	Serializer converts resource objects and collections into array representation.
yiirestUpdateAction	UpdateAction implements the API endpoint for updating a model.
yiirestUrlRule	UrlRule is provided to simplify the creation of URL rules for RESTful API support.
yiirestViewAction	ViewAction implements the API endpoint for returning the detailed information about a model.
yiitestActiveFixture	ActiveFixture represents a fixture backed up by a ActiveRecord class or a database table.
yiitestArrayFixture	ArrayFixture represents arbitrary fixture that can be loaded from PHP files.
yiitestBaseActiveFixture	BaseActiveFixture is the base class for fixture classes that support accessing fixture data as ActiveRecord objects.
yiitestDbFixture	DbFixture is the base class for DB-related fixtures.
yiitestFixture	Fixture represents a fixed state of a test environment.
yiitestFixtureTrait	FixtureTrait provides functionalities for loading, unloading and accessing fixtures for a test case.
yiitestInitDbFixture	InitDbFixture represents the initial state needed for DB-related tests.
yiivalidatorsBooleanValidator	BooleanValidator checks if the attribute value is a boolean value.
yiivalidatorsCompareValidator	CompareValidator compares the specified attribute value with another value.
yiivalidatorsDateValidator	DateValidator verifies if the attribute represents a date, time or datetime in a proper $format.
yiivalidatorsDefaultValueValidator	DefaultValueValidator sets the attribute to be the specified default value.
yiivalidatorsEachValidator	EachValidator validates an array by checking each of its elements against an embedded validation rule.
yiivalidatorsEmailValidator	EmailValidator validates that the attribute value is a valid email address.
yiivalidatorsExistValidator	ExistValidator validates that the attribute value exists in a table.
yiivalidatorsFileValidator	FileValidator verifies if an attribute is receiving a valid uploaded file.
yiivalidatorsFilterValidator	FilterValidator converts the attribute value according to a filter.
yiivalidatorsImageValidator	ImageValidator verifies if an attribute is receiving a valid image.
yiivalidatorsInlineValidator	InlineValidator represents a validator which is defined as a method in the object being validated.
yiivalidatorsNumberValidator	NumberValidator validates that the attribute value is a number.
yiivalidatorsPunycodeAsset	This asset bundle provides the javascript files needed for the yiivalidatorsEmailValidators client validation.
yiivalidatorsRangeValidator	RangeValidator validates that the attribute value is among a list of values.
yiivalidatorsRegularExpressionValidator	RegularExpressionValidator validates that the attribute value matches the specified $pattern.
yiivalidatorsrequiredValidator	requiredValidator 驗(yàn)證指定屬性不是空或null。
yiivalidatorsSafeValidator	SafeValidator serves as a dummy validator whose main purpose is to mark the attributes to be safe for massive assignment.
yiivalidatorsStringValidator	StringValidator 驗(yàn)證屬性值符合一定長(zhǎng)度。
yiivalidatorsUniqueValidator	UniqueValidator 驗(yàn)證屬性值在指定數(shù)據(jù)庫(kù)表中是唯一的。
yiivalidatorsUrlValidator	UrlValidator 驗(yàn)證屬性值是否為有效的http或https URL。
yiivalidatorsValidationAsset	此資源包提供了客戶端驗(yàn)證所需的js文件。
yiivalidatorsValidator	Validator 是所有驗(yàn)證器類的基類。
yiiwebApplication	Application是所有web應(yīng)用程序類的基類。
yiiwebAssetBundle	AssetBundle 表示一組資源文件的集合，如 CSS, JS, images.
yiiwebAssetConverter	AssetConverter supports conversion of several popular script formats into JS or CSS scripts.
yiiwebAssetConverterInterface	The AssetConverterInterface must be implemented by asset converter classes.
yiiwebAssetManager	AssetManager manages asset bundle configuration and loading.
yiiwebBadRequestHttpException	BadRequestHttpException represents a "Bad Request" HTTP Exception with status code 400.
yiiwebCacheSession	CacheSession implements a Session component using cache as storage medium.
yiiwebCompositeUrlRule	CompositeUrlRule is the base class for URL rule classes that consist of multiple simpler rules.
yiiwebConflictHttpException	ConflictHttpException represents a "Conflict" HTTP Exception with status code 409
yiiwebController	Controller is the base class of web controllers.
yiiwebCookie	Cookie 表示一個(gè)cookie關(guān)聯(lián)的信息，如?$name, $value, $domain, 等等.
yiiwebCookieCollection	CookieCollection 保持當(dāng)前請(qǐng)求中的cookies可用。
yiiwebDbSession	DbSession extends yiiwebSession by using database as Session data storage.
yiiwebErrorAction	ErrorAction 使用指定視圖顯示應(yīng)用程序錯(cuò)誤。
yiiwebErrorHandler	ErrorHandler 處理未捕獲的錯(cuò)誤和異常。
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\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\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\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 Exceptionwith status code 415
yiiwebUploadedFile	UploadedFile represents the information for an uploaded file.
yiiwebUrlManager	UrlManager handles HTTP request parsing and creation of URLs based on a set of rules.
yiiwebUrlRule	UrlRule represents a rule used by yiiwebUrlManager for parsing and generating URLs.
yiiwebUrlRuleInterface	UrlRuleInterface is the interface that should be implemented URL rule classes.
yiiwebUser	User is the class for the "user" Application component that manages the user authentication status.
yiiwebUserEvent	This event class is used for Events triggered by the yiiwebUser class.
yiiwebView	View represents a view object in the MVC pattern.
yiiwebViewAction	ViewAction represents an action that displays a view according to a user-specified parameter.
yiiwebXmlResponseFormatter	XmlResponseFormatter formats the given data into an XML response content.
yiiwebYiiAsset	This asset bundle provides the base javascript files for the Yii Framework.
yiiwidgetsActiveField	ActiveField represents a form input field within an yiiwidgetsActiveForm.
yiiwidgetsActiveForm	ActiveForm is a widget that builds an interactive HTML form for one or multiple data models.
yiiwidgetsActiveFormAsset	?
yiiwidgetsBaseListView	BaseListView is a base class for widgets displaying data from data provider such as ListView and GridView.
yiiwidgetsBlock	Block records all output between begin() and end() calls and stores it in yiibaseView::$blocks.
yiiwidgetsBreadcrumbs	Breadcrumbs displays a list of links indicating the position of the current page in the whole site hierarchy.
yiiwidgetsContentDecorator	ContentDecorator records all output between begin() and end() calls, passes it to the given view file as `$content` and then echoes rendering result.
yiiwidgetsDetailView	DetailView displays the detail of a single data $model.
yiiwidgetsFragmentCache	FragmentCache is used by yiibaseView to provide caching of page fragments.
yiiwidgetsInputWidget	InputWidget is the base class for widgets that collect user inputs.
yiiwidgetsLinkPager	LinkPager displays a list of hyperlinks that lead to different pages of target.
yiiwidgetsLinkSorter	LinkSorter renders a list of sort links for the given sort definition.
yiiwidgetsListView	The ListView widget is used to display data from data provider. Each data model is rendered using the view specified.
yiiwidgetsMaskedInput	MaskedInput generates a masked text input.
yiiwidgetsMaskedInputAsset	The asset bundle for the yiiwidgetsMaskedInput widget.
yiiwidgetsMenu	Menu displays a multi-level menu using nested HTML lists.
yiiwidgetsPjax	Pjax is a widget integrating the pjax jQuery plugin.
yiiwidgetsPjaxAsset	This asset bundle provides the javascript files required by yiiwidgetsPjax widget.
yiiwidgetsSpaceless	Spaceless widget removes whitespace characters between HTML tags. Whitespaces within HTML tags or in a plain text are always left untouched.

以上就介紹了Yii PHP框架版本2，包括了require,Exception,Bootstrap,JSONP,PHP框架方面的內(nèi)容，希望對(duì)PHP教程有興趣的朋友有所幫助。

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