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for($k='A';$k<=$highestColumn;$k++) If the number of columns is greater than Z, there will be a problem, so the output will not be possible. Z<AA does not hold during comparison.

for($k='A';$k<=$highestColumn;$k )
If the number of columns is greater than Z, there will be a problem, so the output will not be possible, and Z<AA will not hold during comparison

孙召强孙召强2363 days ago957

reply all(1)I'll reply

  • 秋香姐家的小书童

    秋香姐家的小书童2018-06-25 11:21:43

    How does $k='A' compare? I do not understand

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