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PHP CodeIgniter 时间相减 跟 大小相减 疑问

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Release: 2016-06-13 12:32:26
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PHP CodeIgniter 时间相减 和 大小相减 疑问



        foreach ( $testinfo as $key => $value)
     {
    ?> 








 


  MB MB



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我的想法是
一:用nrttime 减去rttime  怎么去减?时间
二:用nrtsize 减去rtsize   怎么去减?大小
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