获取上一周, 本周, 下一周 的开始时间和结束时间.

以星期一作为 一周的开始,  以 星期日 作为 一周的结束.

date_default_timezone_set('PRC');


function getWeek()
{
    //本周:
    $thisWeek['start'] = mktime(0, 0, 0, date('m'), date('d')-date('w')+1, date('Y'));
    $thisWeek['end'] = mktime(23, 59, 59, date('m'), date('d')+7-date('w'), date('Y'));
    $thisWeek['startStr'] = date('Y-m-d H:i:s', $thisWeek['start']);
    $thisWeek['endStr'] = date('Y-m-d H:i:s', $thisWeek['end']);
    
    //上一周:
    $beforeWeek['start'] = mktime(0, 0, 0, date('m'), date('d')-date('w')+1-7, date('Y'));
    $beforeWeek['end'] = mktime(23, 59, 59, date('m'), date('d')+7-date('w')-7, date('Y'));
    $beforeWeek['startStr'] = date('Y-m-d H:i:s', $beforeWeek['start']);
    $beforeWeek['endStr'] = date('Y-m-d H:i:s', $beforeWeek['end']);
   
    //下一周:
    $nextWeek['start'] = mktime(0, 0, 0, date('m'), date('d')-date('w')+1+7, date('Y'));
    $nextWeek['end'] = mktime(23, 59, 59, date('m'), date('d')+7-date('w')+7, date('Y'));
    $nextWeek['startStr'] = date('Y-m-d H:i:s', $nextWeek['start']);
    $nextWeek['endStr'] = date('Y-m-d H:i:s', $nextWeek['end']);
    
    $week['beforeWeek'] = $beforeWeek;
    $week['thisWeek'] = $thisWeek;
    $week['nextWeek'] = $nextWeek;
    return $week;
    
    
}

var_dump(getWeek());

当前时间: 2017-05-03:

array(3) {
  ["beforeWeek"]=>
  array(4) {
    ["start"]=>
    int(1492963200)
    ["end"]=>
    int(1493567999)
    ["startStr"]=>
    string(19) "2017-04-24 00:00:00"
    ["endStr"]=>
    string(19) "2017-04-30 23:59:59"
  }
  ["thisWeek"]=>
  array(4) {
    ["start"]=>
    int(1493568000)
    ["end"]=>
    int(1494172799)
    ["startStr"]=>
    string(19) "2017-05-01 00:00:00"
    ["endStr"]=>
    string(19) "2017-05-07 23:59:59"
  }
  ["nextWeek"]=>
  array(4) {
    ["start"]=>
    int(1494172800)
    ["end"]=>
    int(1494777599)
    ["startStr"]=>
    string(19) "2017-05-08 00:00:00"
    ["endStr"]=>
    string(19) "2017-05-14 23:59:59"
  }
}

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