无法将$ log数据推送到txt文件

Question

我有一个本地放大器设置，我试图将有角度的$ log消息推送到txt文件。但我不断收到javaScript错误。这是错误

angular.js:9101 TypeError: $scope.todos.push is not a function

这是我的代码：

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angular.module('Todo', []).factory('myhttpserv', function($http) {
  return $http.get('storage.txt').error(function(status) {
    console.log(status)
  });
}).controller('TodoController', function($scope, myhttpserv, $http) {
  $scope.appTitle = "MyTodoList",
    myhttpserv.then(function(response) {
      $scope.todos = (response.data !== null) ? response.data : [];
      var httpPost = function() {
        $http.post('save.php', JSON.stringify($scope.todos)).error(function(status) {
          console.log(status)
        });
      };

      $scope.addTodo = function() {
        $scope.todos.push({
          text: $scope.todoText,
          doneProd: false,
          doneDev: false
        });
        $scope.todoText = ''; //clear the input after adding
        httpPost();
      };

      $scope.remaining = function() {
        var count = 0;
        angular.forEach($scope.todos, function(todo) {
          count += todo.doneProd && todo.doneDev ? 0 : 1;
        });
        return count;
      };

      $scope.archive = function() {
        var rusure = confirm("Are you sure you want to remove the completed tasks from the list?");
        if (rusure) {
          var oldTodos = $scope.todos;
          $scope.todos = [];

          angular.forEach(oldTodos, function(todo) {
            if (!todo.doneProd || !todo.doneDev)
              $scope.todos.push(todo);
          });
          httpPost();
        }
      };

      $scope.delete = function(idx) {
        var rusure = confirm("Are you sure you want to remove the task from the list?");
        if (rusure) {
          $scope.todos.splice(idx, 1);
          httpPost();
        }
      };

      $scope.edit = function(idx) {
        var changes = prompt("Please make the changes below", $scope.todos[idx].text);
        if (changes != null) {
          $scope.todos[idx].text = changes;
          httpPost();
        }
      };

      $scope.checkboxClick = function() {
        httpPost();
      };

      $('.splash, .container').fadeToggle();
    });
});

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<div class="splash">
    <h2>Loading</h2>
  </div>
  <div class="container">
    <header class="app-header">
      <h1 class="app-title" data-ng-bind="appTitle"></h1>
    </header>
    <section class="app-body">

      <table>
        <thead>
          <tr>
            <th>
              TITLE
            </th>
            <th></th>
            <th></th>
            <th class="chk">
              PROD
            </th>
            <th class="chk">
              DEV
            </th>
          </tr>
        </thead>
        <tbody>
          <tr data-ng-repeat="todo in todos track by $index">
            <td>
              <span class="done-{{ todo.doneProd && todo.doneDev }}" data-ng-bind="todo.text"></span>
            </td>
            <td>
              <a data-ng-click="delete($index)"><i class="fa fa-times"></i></a>
            </td>
            <td>
              <a data-ng-click="edit($index)"><i class="fa fa-pencil-square-o"></i></a>
            </td>
            <td class="chk">
              <input type="checkbox" data-ng-model="todo.doneProd" data-ng-change="checkboxClick()">
            </td>
            <td class="chk">
              <input type="checkbox" data-ng-model="todo.doneDev" data-ng-change="checkboxClick()">
            </td>
          </tr>
        </tbody>
      </table>

      <section class="archive-control">
        <span>{{ remaining() }} of {{ todos.length }} remaining</span>
        <a class="fr" href="" data-ng-click="archive()" data-ng-show="remaining() < todos.length">Remove Completed Items</a>
      </section>

      <form data-ng-submit="addTodo()" class="todo-form">
        <input type="text" data-ng-model="todoText" placeholder="Enter new task item" />
        <br />
        <input type="submit" value="Add Task" />
      </form>
    </section>
  </div>

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这是我的php文件，我的文件夹中也有我的storage.txt：

<?php
   $data = file_get_contents("php://input");
   $myfile = fopen("log.txt", "w") or die("Unable to open file!");
   fwrite($myfile, $data);
   fclose($myfile);
?>