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PHP中将时间差转换为字符串提示的实现代码

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authicon dly 发表于 2011-9-2 21:43:26 | 显示全部楼层 |阅读模式
如微博

这看起来更加人性化，好吧，上代码
代码如下:

  1. <?php
  2. class timeAgo
  3. {
  4. static $timeagoObject;
  5. private $rustle;
  6. private $unit;

  8. private function __construct()
  9. {

  11. }
  12. private function __clone(){ }
  13. public static function getObject()
  14. {
  15. if(! (self::$timeagoObject instanceof self) )
  16. self::$timeagoObject = new timeAgo();

  18. return self::$timeagoObject;
  19. }
  20. private function count_int($unix_C) // main function
  21. {
  22. if(! (isset($unix_C) || is_numeric($unix_C)) )
  23. return 'don\'t find parameter';

  25. $d = time()-$unix_C ; // $d - unix time difference value
  26. $d_int =(int)floor($d/60) ; // minimum unit -- minutes unix/60

  28. $this->unit = 0 ; // is minutes,hour or day?

  30. if($d_int < 60){ // minutes in one hour 3600
  31. $this->rustle = $d_int;
  32. $this->unit = 1;
  33. }
  34. else if($d_int < 720){ //hour in one day 3600*12
  35. $this->rustle = floor($d_int/60);
  36. $this->unit = 2 ;
  37. }
  38. else if($d_int < 7200){ //day in ten days 3600*12*10
  39. $this->rustle = floor($d_int/720);
  40. $this->unit = 3 ;
  41. }
  42. else{
  43. $this->rustle = $d ;
  44. $this->unit = 4 ;
  45. }
  46. }
  47. public function piece_str($C)
  48. {
  49. $this->count_int($C);

  51. $u = '';
  52. switch( $this->unit )
  53. {
  54. case 1:
  55. $u = 'minute';
  56. break;
  57. case 2:
  58. $u = 'hour';
  59. break;
  60. case 3:
  61. $u = 'day';
  62. break;
  63. case 4:
  64. $u = '';
  65. break;
  66. case 0:
  67. return 'sorry , get time is fail';
  68. }
  69. if($this->unit < 4)
  70. {
  71. if($this->rustle > 1)
  72. return (string)$this->rustle.$u.'s ago';
  73. else if($this->rustle == 1)
  74. return (string)$this->rustle.$u.'ago';
  75. else
  76. return 'Just now';
  77. }
  78. }
  79. /* example: $ago = timeAgo::getObject();
  80. * echo $ago->piece_str($unix);
  81. * // 2 days ago
  82. */
  83. }
  84. ?>
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