PHP将时间格式化几天前、几分钟前等

2. class DateFormat
3. {
4. private static $_DIFF_FORMAT = array(
5. 'DAY' => '%s天前',
6. 'DAY_HOUR' => '%s天%s小时前',
7. 'HOUR' => '%s小时',
8. 'HOUR_MINUTE' => '%s小时%s分前',
9. 'MINUTE' => '%s分钟前',
10. 'MINUTE_SECOND' => '%s分钟%s秒前',
11. 'SECOND' => '%s秒前',
12. );
14. /**
15. * 友好格式化时间
16. *
17. * @param int 时间
18. * @param array $formats
19. * @return string
20. */
21. public static function diff($timestamp, $formats = null)
22. {
23. if ($formats == null) {
24. $formats = self::$_DIFF_FORMAT;
25. }
26. /* 计算出时间差 */
27. $seconds = time() - $timestamp;
28. $minutes = floor($seconds / 60);
29. $hours = floor($minutes / 60);
30. $days = floor($hours / 24);
32. if ($days > 0) {
33. $diffFormat = 'DAY';
34. } else {
35. $diffFormat = ($hours > 0) ? 'HOUR' : 'MINUTE';
36. if ($diffFormat == 'HOUR') {
37. $diffFormat .= ($minutes > 0 && ($minutes - $hours * 60) > 0) ? '_MINUTE' : '';
38. } else {
39. $diffFormat = (($seconds - $minutes * 60) > 0 && $minutes > 0)
40. ? $diffFormat.'_SECOND' : 'SECOND';
41. }
42. }
44. $dateDiff = null;
45. switch ($diffFormat) {
46. case 'DAY':
47. $dateDiff = sprintf($formats[$diffFormat], $days);
48. break;
49. case 'DAY_HOUR':
50. $dateDiff = sprintf($formats[$diffFormat], $days, $hours - $days * 60);
51. break;
52. case 'HOUR':
53. $dateDiff = sprintf($formats[$diffFormat], $hours);
54. break;
55. case 'HOUR_MINUTE':
56. $dateDiff = sprintf($formats[$diffFormat], $hours, $minutes - $hours * 60);
57. break;
58. case 'MINUTE':
59. $dateDiff = sprintf($formats[$diffFormat], $minutes);
60. break;
61. case 'MINUTE_SECOND':
62. $dateDiff = sprintf($formats[$diffFormat], $minutes, $seconds - $minutes * 60);
63. break;
64. case 'SECOND':
65. $dateDiff = sprintf($formats[$diffFormat], $seconds);
66. break;
67. }
68. return $dateDiff;
69. }
70. }
72. echo DateFormat::diff('1310455823');
73. /* 33分钟47秒前 */

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几天, 几分钟, PHP