title: Laravel 5 read Json file give error `Response.php line 403`
body: <p>I want to read <code>json</code> file from database directory, but give <code>The Response content must be a string or object implementing __toString(), "boolean" given.</code> error. Bellow is my code :  </p>
  
  <pre><code>  $json = file_get_contents('database/query_templates/course.json');
    $data = json_decode($json, TRUE);              
  
    echo '&lt;pre/&gt;'; print_r($data); exit;
  </code></pre>
  
  <p><code>course.json</code> file content :</p>
  
  <pre><code>{
    "post_filter" : {
       "operator" : [
          {
             "operator" : [
                {
                  "range" : {
                      "created_at" : {
                          "gte" : "log_start_date",
                          "lte" : "log_end_date",
                          "format" : "yyyy-MM-dd"
                      }
                  }
              },
              {
                  "terms" : {
                      "search_param_user_action.id" : "user_select_array"
                  }
              }
          ]
      },
      {
          "operator" : [
              {
                  "operator" : [
                      "conduct_days_multi"
                  ]
              },
              {
                  "operator" : [
                      "dropdowns"
                  ]
              }
          ]
      },
      {
          "query" : {
              "multi_match" : {
                  "query" : "x",
                  "fields" : [
                      "resource_search_columns"
                  ],
  
                  "operator" : "operator"
              }
           }
        }
      ]
    }
  }
  </code></pre>
  
  <p>for any help thanks.</p>