Flash information used by users in Yii

SetFlash, hasFlash, and getFlash are used to create the TestController. php file in protected/controllers to display information when you submit a form.

When you submit a form and want to display information to the user, you need to use setFlash, hasFlash, and getFlash to create the TestController. php file in protected/controllers. the content is as follows:

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ClassTestControllerextendsCController {functionactionOk () {Yii: app ()-> user-> setFlash ('success ', 'everything went fine! '); $ This-> redirect ('index');} functionactionBad () {Yii: app ()-> user-> setFlash ('error ', 'Everything went wrong! '); $ This-> redirect ('index');} functionactionIndex () {$ this-> render ('index ');}}

Create the index. php file in protected/views/test:

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User-> hasFlash ('success'):?> User-> getFlash ('success')?> User-> hasFlash ('error'):?> User-> getFlash ('error')?>