<?php/** * 取得給定日期所在周的開始日期和結束日期 * @param string $gdate 日期，默認為當天，格式：YYYY-MM-DD * @param int $weekStart 一周以星期一還是星期天開始，0為星期天，1為星期一 * @return array 數(shù)組array( "開始日期 ",  "結束日期"); */function getAWeekTimeSlot($gdate = '', $weekStart = 0) { if (! $gdate){ $gdate = date ( "Y-m-d" ); } $w = date ( "w", strtotime ( $gdate ) ); //取得一周的第幾天,星期天開始0-6 $dn = $w ? $w - $weekStart : 6; //要減去的天數(shù) $st = date ( "Y-m-d", strtotime ( "$gdate  - " . $dn . "  days " ) ); $en = date ( "Y-m-d", strtotime ( "$st  +6  days " ) ); return array ($st, $en ); //返回開始和結束日期}$timeSlot=getAWeekTimeSlot('2017-01-24',1);echo "Week Start:{$timeSlot[0]}--->Week End: {$timeSlot[1]} ";?>

Week Start:2017-01-23--->Week End: 2017-01-29