1     /***$date 是时间戳***/
 2     function getWeek($date)
 3     {
 4         $result = array();
 5         $week = array();
 6         //天:
 7         $d = date(‘d‘, $date);
 8         // echo ‘天:‘. $d . ‘</br>‘;
 9 
10         //月:
11         $m = date(‘m‘, $date);
12         // echo ‘月:‘ .$m. ‘</br>‘;
13 
14         //年:
15         $Y = date(‘Y‘, $date);
16         // echo ‘年:‘ .$Y. ‘</br>‘;
17 
18         //月的天数:
19         $t = date(‘t‘, $date);
20         // echo ‘月有‘ .$t. ‘天</br>‘;
21 
22         //月的开始时间戳:
23         $startMonth = mktime(0,0,0,$m,1,$Y);
24         // echo ‘月的开始时间戳:‘ .$startMonth. ‘</br>‘;
25 
26         //月的结束时间戳:
27         $endMonth = mktime(23,59,59,$m,$t,$Y);
28         // echo ‘月的结束时间戳:‘ .$endMonth. ‘</br>‘;
29 
30         $result[‘startMonth‘] = $startMonth;
31         $result[‘endMonth‘] = $endMonth;
32 
33         for($i=1; $i<=$t; $i++)
34         {
35             //判断是否是周一:
36             if (date(‘N‘, mktime(0,0,0,$m,$i,$Y)) == 1)
37             {
38                 $mondayStr = date(‘Y-m-d‘, mktime(0,0,0,$m,$i,$Y));
39                 $startWeek = mktime(0,0,0,$m,$i,$Y);
40                 $endWeek = $startWeek+7*24*60*60-1;
41                 $week[$mondayStr][‘startWeek‘] = $startWeek;
42                 $week[$mondayStr][‘endWeek‘] = $endWeek;
43             }
44         }
45         $result[‘week‘] = $week;
46         // var_dump($week);
47 
48         //上一月 和 下一月:
49         $before_Y = $Y;
50         $before_m = $m - 1;
51         $after_Y = $Y;
52         $after_m = $m + 1;
53 
54         if($m == 1)
55         {
56             $before_Y = $Y -1;
57             $before_m = 12;
58         }
59 
60         if($m == 12)
61         {
62             $after_Y = $Y + 1;
63             $after_m = 1;
64         }
65 
66         $beforeMonth = mktime(0,0,0,$before_m,1,$before_Y);
67         $afterMonth = mktime(0,0,0,$after_m,1,$after_Y);
68 
69         $result[‘beforeMonth‘] = $beforeMonth;
70         $result[‘afterMonth‘] = $afterMonth;
71 
72         return $result;
73     }
74 
75     $currDate = strtotime(‘2017-03-04‘);
76     var_dump(getWeek($currDate));

 1 array(5) {
 2   ["startMonth"]=>
 3   int(1488297600)
 4   ["endMonth"]=>
 5   int(1490975999)
 6   ["week"]=>
 7   array(4) {
 8     ["2017-03-06"]=>
 9     array(2) {
10       ["startWeek"]=>
11       int(1488729600)
12       ["endWeek"]=>
13       int(1489334399)
14     }
15     ["2017-03-13"]=>
16     array(2) {
17       ["startWeek"]=>
18       int(1489334400)
19       ["endWeek"]=>
20       int(1489939199)
21     }
22     ["2017-03-20"]=>
23     array(2) {
24       ["startWeek"]=>
25       int(1489939200)
26       ["endWeek"]=>
27       int(1490543999)
28     }
29     ["2017-03-27"]=>
30     array(2) {
31       ["startWeek"]=>
32       int(1490544000)
33       ["endWeek"]=>
34       int(1491148799)
35     }
36   }
37   ["beforeMonth"]=>
38   int(1485878400)
39   ["afterMonth"]=>
40   int(1490976000)
41 }