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/www/protected/pages/utils/DateUtils.php

http://smartbook.googlecode.com/
PHP | 81 lines | 60 code | 8 blank | 13 comment | 16 complexity | e4c234591db84ec9d7aab5ac3219bbe3 MD5 | raw file
Possible License(s): LGPL-2.1 
    

  1. <?php

    2. 

  2. /*

    3. 

  3.  * Created on 16 ??.?. 2009

    4. 

  4.  *

    5. 

  5.  * To change the template for this generated file go to

    6. 

  6.  * Window - Preferences - PHPeclipse - PHP - Code Templates

    7. 

  7.  */

    8. 

  8.  class DateUtils

    9. 

  9.  {

    10. 

  10. 	  public static function process_datetime($date) 

    11. 

  11. 	  {

    12. 

  12. 	  		$dateNow = date("Y/m/d H:i:s");

    13. 

  13. //			echo "<br /> dateNow " . $dateNow;

    14. 

  14. //			echo "<br /> dateToBeDiff " . $date;

    15. 

  15. 			

    16. 

  16. 	  		$sec =  strtotime($dateNow) - strtotime($date); 

    17. 

  17. //	  		echo "\nnum secs : " . $sec;

    18. 

  18. 	  		if($sec < 0)

    19. 

  19. 	  			return "Error ";

    20. 

  20. 	  		else if($sec < 60)

    21. 

  21. 	  			return "now";

    22. 

  22. 	  		else if($sec < 60*60) // 1 minute - 59 minute

    23. 

  23. 	  			return DateUtils::getMinutesDiff($sec);

    24. 

  24. 			else if($sec < 60*60*24) // 1 hr - 23 hr

    25. 

  25. 				return DateUtils::getHoursDiff($sec);

    26. 

  26. 	  		else if($sec < 60*60*24*30) // 1 day - 29 day

    27. 

  27. 				return DateUtils::getDayDiff($sec);

    28. 

  28. 			else if($sec < 60*60*24*30*12) // 1 month - 11 months

    29. 

  29. 				return DateUtils::getMonthDiff($sec);

    30. 

  30. 			else 

    31. 

  31. 				return DateUtils::getYearDiff($sec);

    32. 

  32. 	  		

    33. 

  33. 	  }  

    34. 

  34.   

    35. 

  35.   	  

    36. 

  36. 	  public static function getMinutesDiff($sec)

    37. 

  37. 	  {		// number of sec in a minute

    38. 

  38. 	  		return ceil( $sec / 60) . " minutes ago ";

    39. 

  39. 	  }

    40. 

  40.   

    41. 

  41. 	  public static function getHoursDiff($sec)

    42. 

  42. 	  {

    43. 

  43. 	  		// number of sec in an hour

    44. 

  44. 	  		$hour = floor( $sec / (60*60));

    45. 

  45. 	  		if($hour <= 1)

    46. 

  46. 				return "an hour ago ";

    47. 

  47. 			else

    48. 

  48. 				return $hour. " hours ago ";

    49. 

  49. 	  }

    50. 

  50.   

    51. 

  51. 	  public static function getDayDiff($sec)

    52. 

  52. 	  {

    53. 

  53. 	  		// number of sec in a day

    54. 

  54. 	  		$day = floor( $sec / (60*60*24));

    55. 

  55. 	  		if($day <= 1)

    56. 

  56. 				return "a day ago ";

    57. 

  57. 			else

    58. 

  58. 				return $day. " days ago ";

    59. 

  59. 	  }	

    60. 

  60. 	  

    61. 

  61. 	  public static function getMonthDiff($sec)

    62. 

  62. 	  {

    63. 

  63. 	  		// number of sec in a month

    64. 

  64. 	  		$month = floor( $sec / (60*60*24*30));

    65. 

  65. 	  		if($month <= 1)

    66. 

  66. 				return "a month ago ";

    67. 

  67. 			else

    68. 

  68. 				return $month. " months ago ";

    69. 

  69. 	  }

    70. 

  70. 	  

    71. 

  71. 	  public static function getYearDiff($sec)

    72. 

  72. 	  {

    73. 

  73. 	  	// number of sec in a year

    74. 

  74. 	  		$year = floor( $sec / (60*60*24*30*12));

    75. 

  75. 	  		if($year <= 1)

    76. 

  76. 				return "a month ago ";

    77. 

  77. 			else

    78. 

  78. 				return $year. " years ago ";

    79. 

  79. 	  }

    80. 

  80.  }

    81. 

  81. ?>

    82. 

  82.