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php interview_ci framework_interview question summary

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Release: 2023-03-23 08:28:01
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1. Time:

1. Use PHP to print out the time format of the previous day, such as: "2015-01-21 14:42:09"

echo date("Y-m-d H:i:s",strtotime("-1 day"))."<br/>";
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2. Use PHP to print out the time format of last week, such as: "2015-01-15 14:42:09"

echo date("Y-m-d H:i:s",strtotime("-1 week"))."<br/>";
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3. Use PHP to print out the time format of last month , such as: "2014-12-22 14:42:09"

echo date("Y-m-d H:i:s",strtotime("-1 month"))."<br/>";
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