[英]Find the day of every nth week of a month (e.g. find Friday of second week of next month knowing Friday the second week of this month)
How to find day of week of nth week of a month. 如何查找一个月的第n周的星期几。
Example: today (10th) is a 3rd week of August, on 14th it will be a third week of September and also Sunday. 示例:今天(10日)是8月的第3周,14日是9月的第3周,也是星期日。 How would I find 14th of September knowing the 10th of August?
我怎么会在9月14日知道8月10日呢?
You can use strtotime()
. 您可以使用
strtotime()
。 http://php.net/manual/en/function.strtotime.php http://php.net/manual/en/function.strtotime.php
And relative date format. 和相对日期格式。 http://php.net/manual/en/datetime.formats.relative.php
http://php.net/manual/en/datetime.formats.relative.php
date('Y-m-d', strtotime('first Sunday of September')); //2014-09-07
date('Y-m-d', strtotime('second Sunday of September')); //2014-09-14
date('Y-m-d', strtotime('third Sunday of September')); //2014-09-21
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