Ajax Json对PHP7和IIS 7的限制

Question

我希望有人可以提供一些帮助。我们有一个php脚本，可以生成加载到HighCharts中的JSON日期。由于某种原因，JSON响应的长度影响它仅在生产服务器上工作。我们得到一个JSON意外的内容结束，并且响应缺少JSON响应的最终字符。

如果我们尝试打印365天它失败但320天工作（内容较少），所以我认为这与POST响应的长度有关。我已经设置了所有的PHP max_input_vars，POST大小和最大上传大小等，但它没有修复。我在这里缺少一个IIS7设置吗？

示例JSON响应：

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23","value":0},{"date":"2016, 12, 24","value":0},{"date":"2016, 12, 25","value":0},{"date":"2016, 12, 26","value":0},{"date":"2016, 12, 27","value":0},{"date":"2016, 12, 28","value":0},{"date":"2016, 12, 29","value":0},{"date":"2016, 12, 30","value":0},{"date":"2016, 12, 31","value":0},{"date":"2017, 01, 01","value":0},{"date":"2017, 01, 02","value":0},{"date":"2017, 01, 03","value":52},{"date":"2017, 01, 04","value":19},{"date":"2017, 01, 05","value":17},{"date":"2017, 01, 06","value":21},{"date":"2017, 01, 07","value":0},{"date":"2017, 01, 08","value":0},{"date":"2017, 01, 09","value":29},{"date":"2017, 01, 10","value":30},{"date":"2017, 01, 11","value":21},{"date":"2017, 01, 12","value":17},{"date":"2017, 01, 13","value":30},{"date":"2017, 01, 14","value":0},{"date":"2017, 01, 15","value":0},{"date":"2017, 01, 16","value":19},{"date":"2017, 01, 17","value":23},{"date":"2017, 01, 18","value":27},{"date":"2017, 01, 19","value":24},{"date":"2017, 01, 20","value":20},{"date":"2017, 01, 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