Magento2: How to generate admin url with secure key from a controller

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The question:

I want to know, how can I generate a valid admin url from

  1. A Controller
  2. Anywhnere

so I can make any custom url admin work if I need it in an ajax or whatever. Answer for either 1 or 2 will do the job, bot I think it is better to have both.

The Solutions:

Below are the methods you can try. The first solution is probably the best. Try others if the first one doesn’t work. Senior developers aren’t just copying/pasting – they read the methods carefully & apply them wisely to each case.

Method 1

From a controller you can simply use $this->getUrl('url/path/here', $paramsHere = array()).

From anywhere else:

You need to add an instance of MagentoFrameworkUrlInterface in your class and use that:

protected $urlBuider;
public function __construct(
    ....
    MagentoFrameworkUrlInterface $urlBuilder,
    ....
) {
    ....
    $this->urlBuilder = $urlBuilder;
    ....
}

Then you can use this:

$url = $this->urlBuilder->getUrl('url/path/here', $paramsHere = array());

Method 2

You can generate secure admin url key by 

protected $urlBuider;
public function __construct(
    ....
    MagentoBackendModelUrlInterface $urlBuilder,
    ....
) {
    ....
    $this->urlBuilder = $urlBuilder;
    ....
}

public function Yourmethod()
{
$this->urlBuilder->getRouteUrl('RouteId/ControllerName/actionName',[ 'key'=>$this->urlBuilder->getSecretKey('RouteId','ControllerName','actionName')])
}

If you want to send parameters then add your params before key 

$this->urlBuilder->getRouteUrl('RouteId/ControllerName/actionName',[ 'param1'=> 'paramValue1','param2'=> 'paramValue2','key'=>$this->urlBuilder->getSecretKey('RouteId','ControllerName','actionName')])


All methods was sourced from stackoverflow.com or stackexchange.com, is licensed under cc by-sa 2.5, cc by-sa 3.0 and cc by-sa 4.0

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