CakePHP Tutorial
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CakePHP - View Events
CakePHP - View Events
There are several callbacks/events that we can use with View Events. These events are helpful to perform several tasks before something happens or after something happens. The following is a pst of callbacks that can be used with CakePHP −
| Sr.No | Event Function & Description |
|---|---|
| 1 | Helper::beforeRender(Event $event,$viewFile) The beforeRender method is called after the controller’s beforeRender method but before the controller renders view and layout. This receives the file being rendered as an argument. |
| 2 | Helper::beforeRenderFile(Event $event, $viewFile) This method is called before each view file is rendered. This includes elements, views, parent views and layouts. |
| 3 | Helper::afterRenderFile(Event $event, $viewFile, $content) This method is called after each View file is rendered. This includes elements, views, parent views and layouts. A callback can modify and return $content to change how the rendered content will be displayed in the browser. |
| 4 | Helper::afterRender(Event $event, $viewFile) This method is called after the view has been rendered, but before the layout rendering has started. |
| 5 | Helper::beforeLayout(Event $event, $layoutFile) This method is called before the layout rendering starts. This receives the layout filename as an argument. |
| 6 | Helper::afterLayout(Event $event, $layoutFile) This method is called after the layout rendering is complete. This receives the layout filename as an argument. |