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Package yii2-returnurl
Short Description ReturnUrl helper for tab-aware nested redirection in Yii2.
License BSD-3-Clause
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Informations about the package yii2-returnurl
Yii2 ReturnUrl
ReturnUrl helper for tab-aware nested redirection in Yii2.
You might be saying, Yii2 already handles a returnUrl perfectly fine with the Url::remember() and Url::previous() methods. Why not use those?
These methods store the returnUrl into a single variable in the users session. This becomes a flaw when we have multiple tabs open. Take the following scenario:
- A user navigates to a page that sets a returnUrl. The page is for a form they have to complete.
- The phone rings, and they are required to fill in a different form. They achieve this by opening another tab.
- As they navigate to the new page, their old returnUrl is overwritten by the new one, they complete the second form and everything seems normal.
- They then return to their first form, and after submission they get taken to the second returnUrl and their navigation path appears broken.
The solution is to pass the returnUrl into the GET and POST request by embedding it into your links and forms. This extension makes it very easy to do and solves many common problems including the maximum length of a GET request.
Features
- Allows a URL to be consistent with the page the user is viewing, even if they open other tabs.
- Easily embed return URLs into your links or forms.
- Handles very long returnUrl values by passing a token in the GET/POST request data.
Requirements
ReturnUrl uses cache to store URL to Token mapping. Due to this you must have a cache component in your config, for example:
Installation
The preferred way to install this extension is through composer.
Either run
or add
to the require section of your composer.json file.
Methods
ReturnUrl::getToken() - Creates and returns a new token. Pass this into the request to mark the current page as the origin url.
ReturnUrl::getRequestToken() - Returns the current token. Pass this into the request to allow multiple pages to be visited before returning to the origin url.
ReturnUrl::getUrl($altUrl) - Return the origin url or $altUrl if no token was found in the request data. Use this value to redirect to the origin url.
Usage
Your user is on a search results page, and you have a link to an update form. After filling in the form you want the user to be returned to the page they started from.
On the start page, add a ReturnUrl::getToken() to your link. This will set the current page as the origin url. For example in views/post/index.php:
On the update page, add a ReturnUrl::getRequestToken() to your form. This will pass the existing token through to the next page so that the controller can redirect to the origin url after it successfully saves. For example in views/post/update.php:
In the controller action that handles the form, change the call to $this->redirect($url) to $this->redirect(ReturnUrl::getUrl($url)). This redirects the user to the origin url. For example in Post::actionUpdate()
Examples
License
- Author: Brett O'Donnell [email protected]
- Source Code: https://github.com/cornernote/yii2-return-url
- Copyright © 2015 Mr PHP [email protected]
- License: BSD-3-Clause https://raw.github.com/cornernote/yii2-return-url/master/LICENSE
Links
