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Isn't there null in the post form data? Why does foreach not report an error? ? ? ?
大月半仙狗
大月半仙狗 2018-07-11 10:23:04
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I reported an error like this after executing it

Invalid argument supplied for foreach()

大月半仙狗
大月半仙狗

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The Count of Monte Cristo
The Count of Monte Cristo2019-03-04 13:41:28 3 floor

The following code has not been written yet. 0 0 You will know after writing the following if statement

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    张无言
    张无言2018-12-01 13:19:05 2 floor

    I also encountered this problem. Did the original poster solve it?

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    无忌哥哥
    无忌哥哥2018-07-11 10:35:39 1 floor

    It is necessary to make a judgment if it is empty

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    • reply Yes, foreach will assign the empty value to 0. Just now, ord was not assigned a value.
      大月半仙狗 author 2018-07-11 11:09:26
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