1 /**
2 * 年龄转生日(模糊结果)
3 * @parameter int age(年龄)
4 * @parameter string symbol(分隔符)
5 * @return string (yyyy*mm*dd)
6 * @author he
7 */
8 private function agetobirthday($age,$symbol='-')
9 {
10 $age = $age==0?25:$age;
11 $nowyear = date("Y",time());
12 $year = $nowyear-$age;
13 $monthArr = [];
14 for ($i=1;$i<13;$i++){
15 $monthArr[] = $i<10?'0'.$i:$i;
16 }
17 $dayArr = [];
18 for ($i=1;$i<29;$i++){
19 $dayArr[] = $i<10?'0'.$i:$i;
20 }
21 $month_key = array_rand($monthArr,1);
22 $month = $monthArr[$month_key];
23 $date_tmp_stamp = strtotime($year.'-'.$month);
24 $day = '';
25 if( $month=='02' && date("t",$date_tmp_stamp)=='29' ) {
26 $dayArr = array_merge($dayArr,['29']);
27 $day_key = array_rand($dayArr,1);
28 $day = $dayArr[$day_key];
29 } else if ( $month=='02' && date("t",$date_tmp_stamp)=='28' ){
30 $day_key = array_rand($dayArr,1);
31 $day = $dayArr[$day_key];
32 } else if( in_array($month, ['01','03','05','07','08','10','12']) ) {
33 $dayArr = array_merge($dayArr,['29','30','31']);
34 $day_key = array_rand($dayArr,1);
35 $day = $dayArr[$day_key];
36 } else {
37 $dayArr = array_merge($dayArr,['29','30']);
38 $day_key = array_rand($dayArr,1);
39 $day = $dayArr[$day_key];
40 }
41 return $year.$symbol.$month.$symbol.$day;
42 }
43
44 /**
45 * 生日转年龄
46 * @author he
47 * @parameter birthday:yyyy-mm-dd
48 * @return str
49 */
50 private function birthdaytoage($birthday)
51 {
52 $age = 0;
53 $year = date('Y',strtotime($birthday));
54 $month = date('m',strtotime($birthday));
55 $day = date('d',strtotime($birthday));
56
57 $now_year = date('Y');
58 $now_month = date('m');
59 $now_day = date('d');
60
61 if ($now_year > $year) {
62 $age = $now_year - $year - 1;
63 if ($now_month > $month) {
64 $age++;
65 } else if ($now_month == $month) {
66 if ($now_day >= $day) {
67 $age++;
68 }
69 }
70 }
71 if(empty($birthday)){
72 $age = 26;
73 }
74 return $age;
75 }
76
