计算年龄 精确到天

用于计算年龄 精确到天

2. /*
3. * To change this license header, choose License Headers in Project Properties.
4. * To change this template file, choose Tools | Templates
5. * and open the template in the editor.
6. */
8. class Age {
10. /**
11. * 计算年龄精准到年月日
12. * @param type $birthday
13. * @return array
14. */
16. public function calAge($birthday) {
17. list($byear, $bmonth, $bday) = explode('-', $birthday);
18. list($year, $month, $day) = explode('-', date('Y-m-d'));
19. $bmonth = intval($bmonth);
20. $bday = intval($bday);
21. if ($bmonth $bmonth = '0' . $bmonth;
22. }
23. if ($bday $bday = '0' . $bday;
24. }
25. $bi = intval($byear . $bmonth . $bday);
26. $ni = intval($year . $month . $day);
27. $not_birth = 0;
28. if ($bi > $ni) {
29. $not_birth = 1;
30. $tmp = array($byear, $bmonth, $bday);
31. list($byear, $bmonth, $bday) = array($year, $month, $day);
32. list($year, $month, $day) = $tmp;
33. list($bi, $ni) = array($ni, $bi);
34. }
35. $years = 0;
36. while (($bi + 10000) $bi += 10000;
37. $years++;
38. $byear++;
39. }//得到岁数后 抛弃年
40. list($m, $d) = $this->getMD(array($year, $month, $day), array($byear, $bmonth, $bday));
41. return array('year' => $years, 'month' => $m, 'day' => $d, 'not_birth' => $not_birth);
42. }
44. /**
45. * 只能用于一年内计算
46. * @param type $ymd
47. * @param type $bymd
48. */
49. public function getMD($ymd, $bymd) {
50. list($y, $m, $d) = $ymd;
51. list($by, $bm, $bd) = $bymd;
52. if (($m . $d) $m +=12;
53. }
54. $month = 0;
55. while ((($bm . $bd) + 100) $bm++;
56. $month++;
57. }
58. if ($bd $day = $d - $bd;
59. } else {//少一个月
60. $mdays = $bm > 12 ? $this->_getMothDay( ++$by, $bm - 12) : $this->_getMothDay($by, $bm);
61. $day = $mdays - $bd + $d;
62. }
63. return array($month, $day);
64. }
66. private function _getMothDay($year, $month) {
67. switch ($month) {
68. case 1:
69. case 3:
70. case 5:
71. case 7:
72. case 8:
73. case 10:
74. case 12:
75. $day = 31;
76. break;
77. case 2:
78. $day = (intval($year % 4) ? 28 : 29); //能被4除尽的为29天其他28天
79. break;
80. default:
81. $day = 30;
82. break;
83. }
84. return $day;
85. }
87. }
89. $cage = new Age();
90. $test = array(
91. '1990-06-12',
92. '1990-07-13',
93. '1990-08-16',
94. '1990-10-10',
95. '1990-10-13',
96. '1990-10-15',
97. '1990-11-9',
98. '1990-11-22',
99. '2016-11-22',
100. '2016-8-22',
101. '2016-10-13',
102. );
103. echo date('Y-m-d');
104. echo '

     ';

105. foreach($test as $v){
106. $tmp = $cage->calAge($v);
107. echo $v , ':', $tmp['year'], '年', $tmp['month'],
108. '月', $tmp['day'], '天', ';', $tmp['not_birth'], '
     ';
109. }
110. echo '' ;
113. /*
114. 运行结果：
115. 2015-10-13
116. 1990-06-12:25年4月1天;0
117. 1990-07-13:25年3月0天;0
118. 1990-08-16:25年1月27天;0
119. 1990-10-10:25年0月3天;0
120. 1990-10-13:25年0月0天;0
121. 1990-10-15:24年11月28天;0
122. 1990-11-9:24年11月4天;0
123. 1990-11-22:24年10月21天;0
124. 2016-11-22:1年1月9天;1
125. 2016-8-22:0年10月9天;1
126. 2016-10-13:1年0月0天;1
128. *
129. */

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