/** * 根据第几周获取本周的开始时间与最后时间 * @param int $year 年份 $weeks = get_week($year) * @param 如获取第18周的开始时间$weeks[18][0] * @param 如获取第18周的最后时间$weeks[18][1] */ static public function get_week($year) { $year_start = $year . "-01-01"; $year_end = $year . "-12-31"; $startday = strtotime($year_start); if (intval(date(‘N‘, $startday)) != ‘1‘) { $startday = strtotime("next monday", strtotime($year_start)); //获取年第一周的日期 } $year_mondy = date("Y-m-d", $startday); //获取年第一周的日期 $endday = strtotime($year_end); if (intval(date(‘W‘, $endday)) == ‘7‘) { $endday = strtotime("last sunday", strtotime($year_end)); } $num = intval(date(‘W‘, $endday)); for ($i = 1; $i <= $num; $i++) { $j = $i -1; $start_date = date("Y-m-d", strtotime("$year_mondy $j week ")); $end_day = date("Y-m-d", strtotime("$start_date +6 day")); $week_array[$i] = array ( str_replace("-", "", $start_date ), str_replace("-", "", $end_day)); } return $week_array; }
时间: 2024-10-09 05:02:28