angular js - put data into php file

angular.module('my-app', [])
  .controller('myCtrl', function ($scope, $http) {
    $scope.myFunc = function () {
      console.log($scope.boxes);
      // $http.post('index.php', JSON.stringify($scope.boxes));

    var request = $http({
      method: "post",
      url: window.location.href + "index.php",
      data: {
        boxes: $scope.boxes
      },
      headers: {
        'Content-Type': 'application/x-www-form-urlencoded'
      }
    });

    request.then(function(data) {
      console.log("success");
    });
};

    $scope.boxes = {
      check1: false,
      check2: false
    };


  });