You can see that the correct results are output, but a warning appears. How to solve it?
code show as below:
It turns out that what is taken out seems to be in time format, but is actually a string. Use strtotime() to solve the problem.
The code is posted below:
$dataMonth=date('m',strtotime($row['creation time'])) ;
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It turns out that what is taken out seems to be in time format, but is actually a string. Use strtotime() to solve the problem.
The code is posted below:
$dataMonth=date('m',strtotime($row['creation time'])) ;