PHP日期操作
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2022-05-19 09:05:03
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Php代码
//返回指定月份的第一天 function get_the_month_first_day_str($theyear, $themonth) { return date("Y-m-d", mktime(0, 0, 0, $themonth, 1, $theyear)); } //返回指定月份的最后一天 function get_the_month_last_day_str($theyear, $themonth) { $theday = date("t", mktime(0, 0, 0, $themonth, 1, $theyear)); return date("Y-m-d", mktime(0, 0, 0, $themonth, $theday, $theyear)); } //返回指定日期所在周的第一天(周日为第一天,周一为第二天,以此类推) function get_the_week_first_day_str($theyear, $themonth, $theday) { $date = mktime(0, 0, 0, $themonth, $theday, $theyear); $date = $date - (24 * 60 * 60 * date("w", $date)); return date("Y-m-d", $date); } //返回指定日期所在周的最后一天(周日为第一天,周一为第二天,以此类推) function get_the_week_last_day_str($theyear, $themonth, $theday) { $date = mktime(0, 0, 0, $themonth, $theday, $theyear); $date = $date - (24 * 60 * 60 * date("w", $date)) + (24 * 60 * 60 * 6); return date("Y-m-d", $date); }
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