protected function weekday($year,$week=1) { $year_start = mktime(0,0,0,1,1,$year); $year_end = mktime(0,0,0,12,31,$year); // 判断第一天是否为第一周的开始 if (intval(date('W',$year_start))===1){ $start = $year_start;//把第一天做为第一周的开始 }else{ $week++; $start = strtotime('+1 monday',$year_start);//把第一个周一作为开始 } // 第几周的开始时间 if ($week===1){ $weekday['start'] = $start; }else{ $weekday['start'] = strtotime('+'.($week-0).' monday',$start); } // 第几周的结束时间 $weekday['end'] = strtotime('+1 sunday',$weekday['start']); if (date('Y',$weekday['end'])!=$year){ $weekday['end'] = $year_end; } $weekday['start'] = date('Y-m-d',$weekday['start']); $weekday['end'] = date('Y-m-d',$weekday['end']); return $weekday; }
2021-12-18 
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2021-09-30 
2021-12-02 
2022-12-08
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2年前 ·