cakephp-2.0 > AuthComponent :: login()
A AbstractTransport AclBehavior AclComponent AclInterface AclNode AclShell Aco AcoAction ActionsAuthorize ApcEngine ApiShell App AppController AppController AppHelper AppHelper AppModel AppModel AppShell Aro AuthComponent B BadRequestException BakeShell BakeTask BaseAuthenticate BaseAuthorize BasicAuthenticate BasicAuthentication BehaviorCollection C Cache CacheEngine CacheException CacheHelper CacheSession CakeEmail CakeErrorController CakeException CakeLog CakeLogException CakeLogInterface CakePlugin CakeRequest CakeResponse CakeRoute CakeSchema CakeSession CakeSessionException CakeSessionHandlerInterface CakeSocket ClassRegistry CommandListShell Component ComponentCollection ConfigReaderInterface Configure ConfigureException ConnectionManager ConsoleErrorHandler ConsoleException ConsoleInput ConsoleInputArgument ConsoleInputOption ConsoleInputSubcommand ConsoleOptionParser ConsoleOutput ConsoleShell ContainableBehavior Controller ControllerAuthorize ControllerTask CookieComponent CrudAuthorize D DatabaseSession DataSource DbAcl DbAclSchema DbConfigTask DboSource Debugger DebugTransport DigestAuthenticate DigestAuthentication Dispatcher E EmailComponent ErrorHandler ExceptionRenderer ExtractTask F File FileEngine FileLog FixtureTask Folder ForbiddenException FormAuthenticate FormHelper H Helper HelperCollection HelpFormatter HtmlHelper HttpException HttpResponse HttpSocket I I18n I18nModel i18nSchema I18nShell Inflector IniReader InternalErrorException J JqueryEngineHelper JsBaseEngineHelper JsHelper L L10n M MailTransport MediaView MemcacheEngine MethodNotAllowedException MissingActionException MissingBehaviorException MissingComponentException MissingConnectionException MissingControllerException MissingDatabaseException MissingDatasourceConfigException MissingDatasourceException MissingHelperException MissingLayoutException MissingModelException MissingPluginException MissingShellException MissingShellMethodException MissingTableException MissingTaskException MissingTestLoaderException MissingViewException Model ModelBehavior ModelTask MootoolsEngineHelper Multibyte Mysql N NotFoundException NumberHelper O Object ObjectCollection P PagesController PagesController PaginatorComponent PaginatorHelper Permission PhpReader PluginShortRoute PluginTask Postgres PrivateActionException ProjectTask PrototypeEngineHelper R RedirectRoute RequestHandlerComponent Router RouterException RssHelper S Sanitize Scaffold ScaffoldView SchemaShell Security SecurityComponent SessionComponent SessionHelper SessionsSchema Set Shell ShellDispatcher SmtpTransport SocketException Sqlite Sqlserver String T TaskCollection TemplateTask TestsuiteShell TestTask TextHelper ThemeView TimeHelper TranslateBehavior TreeBehavior U UnauthorizedException UpgradeShell V Validation View ViewTask W WincacheEngine X XcacheEngine Xml XmlException

login

line:510 at /lib/Cake/Controller/Component/AuthComponent.php
Log a user in. If a $user is provided that data will be stored as the logged in user. If `$user` is empty or not specified, the request will be used to identify a user. If the identification was successful, the user record is written to the session key specified in AuthComponent::$sessionKey. Logging in will also change the session id in order to help mitigate session replays.

Method

(boolean) public login ($user = null)

Parameters

ParameterTypeCommentDefault
$user mixed optional Either an array of user data, or null to identify a user using the current request. null

Return

boolean

Comment

Log a user in. If a $user is provided that data will be stored as the logged in user. If `$user` is empty or not
specified, the request will be used to identify a user. If the identification was successful,
the user record is written to the session key specified in AuthComponent::$sessionKey. Logging in
will also change the session id in order to help mitigate session replays.

@param mixed $user Either an array of user data, or null to identify a user using the current request.
@return boolean True on login success, false on failure
@link http://book.cakephp.org/2.0/en/core-libraries/components/authentication.html#identifying-users-and-logging-them-in