PHP 时间函数，获取本周、上周、上月等

51漂泊

1. <?php
   
2. 
   
3. @date_default_timezone_set('Asia/Chongqing');
   
4. 
   
5. $now_time = time();
   
6. 
   
7. $date = date("Y-m-d", $now_time);
   
8. 
   
9. function get_date($date, $t = 'd', $n = 0) {
   
10. 
    
11.     if ($t == 'd') {
    
12. 
    
13.         $firstday = date('Y-m-d 00:00:00', strtotime("$n day"));
    
14. 
    
15.         $lastday = date("Y-m-d 23:59:59", strtotime("$n day"));
    
16.     } elseif ($t == 'w') {
    
17. 
    
18.         if ($n != 0) {
    
19.             $date = date('Y-m-d', strtotime("$n week"));
    
20.         }
    
21. 
    
22.         $lastday = date("Y-m-d 00:00:00", strtotime("$date Sunday"));
    
23. 
    
24.         $firstday = date("Y-m-d 23:59:59", strtotime("$lastday -6 days"));
    
25.     } elseif ($t == 'm') {
    
26. 
    
27.         if ($n != 0) {
    
28.             $date = date('Y-m-d', strtotime("$n months"));
    
29.         }
    
30. 
    
31.         $firstday = date("Y-m-01 00:00:00", strtotime($date));
    
32. 
    
33.         $lastday = date("Y-m-d 23:59:59", strtotime("$firstday +1 month -1 day"));
    
34.     }
    
35. 
    
36.     return array($firstday, $lastday);
    
37. }
    
38. 
    
39. $day1 = get_date($date, 'd');
    
40. 
    
41. $day2 = get_date($date, 'd', -1);
    
42. 
    
43. $week1 = get_date($date, 'w');
    
44. 
    
45. $week2 = get_date($date, 'w', +1);
    
46. 
    
47. $month1 = get_date($date, 'm');
    
48. 
    
49. $month2 = get_date($date, 'm', -1);
    
50. 
    
51. echo '<pre>';
    
52. 
    
53. //print_r($day1); //今天
    
54. //
    
55. //print_r($day2); //昨天
    
56. print_r($week1); //这周
    
57. //print_r($week2); //上周
    
58. //print_r($month1); //这月
    
59. //
    
60. //print_r($month2); //上月
    
61. 
    
62. echo '</pre>';
    
63. ?>
    

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