Cloudinary\Api::delete_derived_resources PHP Method

    function delete_derived_resources($derived_resource_ids, $options = array())
    {
        $uri = array("derived_resources");
        return $this->call_api("delete", $uri, array("derived_resource_ids" => $derived_resource_ids), $options);
    }

 function test08_delete_derived()
 {
     // should allow deleting derived resource
     \Cloudinary\Uploader::upload("tests/logo.png", array("public_id" => "api_test3", "eager" => array("transformation" => array("width" => 101, "crop" => "scale"))));
     $resource = $this->api->resource("api_test3");
     $this->assertNotEquals($resource, NULL);
     $this->assertEquals(count($resource["derived"]), 1);
     $derived_resource_id = $resource["derived"][0]["id"];
     $this->api->delete_derived_resources(array($derived_resource_id));
     $resource = $this->api->resource("api_test3");
     $this->assertNotEquals($resource, NULL);
     $this->assertEquals(count($resource["derived"]), 0);
 }