file_get_contents()函数报500 Internal Server Error

<span style="color:rgb(70,70,70); font-family:simsun; font-size:14px; line-height:21px; background-color:rgb(188,211,229)">前几天，调试网站时发现，同样的代码，在两个不同的服务器上有不同的运行结果：一个运行结果没有任何问题，另外一个却显示</span>
<span style="color:rgb(70,70,70); font-family:simsun; font-size:14px; line-height:21px; background-color:rgb(188,211,229)">599 Internal Server</span>
<span style="color:rgb(70,70,70); font-family:simsun; font-size:14px; line-height:21px; background-color:rgb(188,211,229)"> Error。</span>
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  于是，开始各种Debug，绕了一大圈才发现是file_get_contents()函数的问题，由于不同的php版本对其的支持不同。
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  没问题的php版本是5.4.7，
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  $jsonData = file_get_contents($url);
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  直接返回相应的结果
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  有问题的php版本是5.3.10
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<div style="color:rgb(70,70,70); font-family:simsun; font-size:14px; line-height:21px; background-color:rgb(188,211,229)">
  在网上搜了一下，碰到类似问题的人很多，推荐的方法是：
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