我如何找到PHP的当前月的最后一个星期六的星期几? [英] How do I find what day the last saturday of the current month is in PHP?

问题描述

此方法在大多数月份都有效，但例如，2011年4月有5个星期六，因此它返回23而不是30.

This works for most months, but for example, April 2011 has 5 saturdays, so this returns 23 instead of 30.

$last_saturday = date("j", strtotime('Fourth Saturday'.date('F o')));

推荐答案

last saturday在某些星座中似乎被解释为先前的星期六".

last saturday seems to be interpreted as "previous saturday" in some constellations.

这是在Windows 7上的PHP 5.3上对我有效的方法:跳至下个月的第一天，并寻找最后一个星期六.

This is what works for me on PHP 5.3 on Windows 7: Jump to next month's first day, and look for last saturday.

 $nextMonthStart = mktime(0,0,0,date('m')+1,1,date('Y'));
 $last_saturday = date("d.m.Y",strtotime("previous saturday", $nextMonthStart));

即使在下个月的第一天是星期六的情况下，我也能为我工作.

works for me even in the edge case that the first day of next month is a saturday.

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