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如何将print_r的信息作为字符串返回

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Release： 2016-06-06 20:52:15
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调试数组的时候，可以用print_r输出对象或者数组，我现在需要将这个错误信息变成字符串返回，sprintf貌似没有这个功能，有什么其他的函数可以做到么？

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调试数组的时候，可以用print_r输出对象或者数组，我现在需要将这个错误信息变成字符串返回，sprintf貌似没有这个功能，有什么其他的函数可以做到么？

请使用var_export($array, true);函数

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