Developer

if (isset($_COOKIE["CookieConsent"])) 
{ 
      switch ($_COOKIE["CookieConsent"])
      {
            case "-1":
                  //The user is not within a region that requires consent - all cookies are accepted
                  break; 

            default: //The user has given their consent 

                  //Read current user consent in encoded JavaScript format 
                  $valid_php_json = preg_replace('/\s*:\s*([a-zA-Z0-9_]+?)([}\[,])/', ':"$1"$2', preg_replace('/([{\[,])\s*([a-zA-Z0-9_]+?):/', '$1"$2":', str_replace("'", '"',stripslashes($_COOKIE["CookieConsent"])))); 
                  $CookieConsent = json_decode($valid_php_json); 



if (!filter_var($CookieConsent->preferences, FILTER_VALIDATE_BOOLEAN) 
&& !filter_var($CookieConsent->statistics, FILTER_VALIDATE_BOOLEAN) && !
filter_var($CookieConsent->marketing, FILTER_VALIDATE_BOOLEAN))
                  {
                         //The user has opted out of cookies, set strictly necessary cookies only
                  }
                  else
                  {

                  if (filter_var($CookieConsent->preferences, FILTER_VALIDATE_BOOLEAN)) 
                  { 
                        //Current user accepts preference cookies 
                  } 
                  else 
                  { 
                        //Current user does NOT accept preference cookies
                  } 

                  if (filter_var($CookieConsent->statistics, FILTER_VALIDATE_BOOLEAN))
                  { 
                        //Current user accepts statistics cookies 
                  } 
                  else 
                  { 
                        //Current user does NOT accept statistics cookies
                  }

                  if (filter_var($CookieConsent->marketing, FILTER_VALIDATE_BOOLEAN))
                  { 
                        //Current user accepts marketing cookies
                  }
                  else 
                  { 
                        //Current user does NOT accept marketing cookies
                  }
             }
       }
 } 
else 
{
      //The user has not accepted cookies - set strictly necessary cookies only 
}

Imports System.Web.Script.Serialization
 ... 

Dim CurrentUserConsent As HttpCookie = Request.Cookies("CookieConsent")

 If CurrentUserConsent IsNot Nothing Then 
      Select Case CurrentUserConsent.Value 
            
            Case "-1" 
                  REM The user is not within a region that requires consent - all cookies are accepted 
                  Exit Select 

            Case Else REM The user has given their consent 

                  REM Read current user consent in encoded JavaScript format 
                  Dim CookieConsentSerializer As New JavaScriptSerializer() 
                  Dim CookieConsent As dynamic = CookieConsentSerializer.Deserialize(Of Object)(HttpUtility.UrlDecode(CurrentUserConsent.Value)) 

                  If Not CookieConsent("preferences") And Not 
CookieConsent("statistics") And Not CookieConsent("marketing") Then
                  REM The user has opted out of cookies, set strictly necessary cookies only
                  Else

                  If CookieConsent("preferences") Then 
                       REM Current user accepts preference cookies 
                  Else 
                       REM Current user does NOT accept preference cookies 
                  End If 

                  If CookieConsent("statistics") Then 
                       REM Current user accepts statistics cookies 
                  Else 
                       REM Current user does NOT accept statistics cookies
                  End If

                  If CookieConsent("marketing") Then
                       REM Current user accepts marketing cookies 
                  Else 
                       REM Current user does NOT accept marketing cookies
                  End If 
            End If
      End Select 
Else 
      REM The user has not accepted cookies - set strictly necessary cookies only 
End If