PHP Computing age accurate to month-day _php tips

The example in this article describes the way in which PHP calculates age-accurate to year-month dates. Share to everyone for your reference. as follows:

<?php * * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools |
 Templates * and open the template in the editor. * * Class Age {/** * calculating the ages to date * @param type $birthday * @return array/Public function calage (
    $birthday) {list ($byear, $bmonth, $bday) = Explode ('-', $birthday);
    List ($year, $month, $day) = Explode ('-', date (' y-m-d '));
    $bmonth = Intval ($bmonth);
    $bday = Intval ($bday);
    if ($bmonth <) {$bmonth = ' 0 ' $bmonth;
    } if ($bday <) {$bday = ' 0 ' $bday;
    } $bi = Intval ($byear. $bmonth. $bday);
    $ni = Intval ($year. $month. $day);
    $not _birth = 0;
      if ($bi > $ni) {$not _birth = 1;
      $tmp = Array ($byear, $bmonth, $bday);
      List ($byear, $bmonth, $bday) = Array ($year, $month, $day);
      List ($year, $month, $day) = $tmp;
    List ($bi, $ni) = Array ($ni, $BI);
    } $years = 0; WhilE (($bi + 10000) <= $ni) {//First Age $bi + + 10000;
      $years + +;
    $byear + +;
    }//gets older and discards the year list ($m, $d) = $this->getmd (Array ($year, $month, $day), Array ($byear, $bmonth, $bday));
  Return Array (' => $years, ' month ' => $m, ' Day ' => $d, ' Not_birth ' => $not _birth); /** * can only be used for one year calculation * @param type $YMD * @param type $BYMD/Public function GETMD ($YMD, $bymd) {lis
    T ($y, $m, $d) = $ymd;
    List ($by, $BM, $bd) = $bymd;
    if ($m. $d) < ($BM. $bd)) {$m +=12;
    } $month = 0;
      while (($BM. $bd) + <= ($m. $d)) {$BM + +;
    $month + +;
    } if ($bd <= $d) {//same place one months $day = $d-$bd;
      else {//less one months $mdays = $BM > $this->_getmothday (+ + $by, $BM -12): $this->_getmothday ($by, $BM);
    $day = $mdays-$bd + $d;
  Return Array ($month, $day); Private Function _getmothday ($year, $month) {switch ($month) {case 1:case 3:cASE 5:case 7:case 8:case 10:case: $day = 31;
      Break Case 2: $day = (intval ($year% 4)? 28:29);
      Can be 4 in addition to the 29 days of other 28 days break;
        Default: $day = 30;
    Break
  return $day;
} $cage = New Age (); $test = Array (' 1990-06-12 ', ' 1990-07-13 ', ' 1990-08-16 ', ' 1990-10-10 ', ' 1990-10-13 ', ' 1990-10-15 ', ' 1990-11-
9 ', ' 1990-11-22 ', ' 2016-11-22 ', ' 2016-8-22 ', ' 2016-10-13 ',);
echo Date (' y-m-d ');
Echo ' <pre> ';
  foreach ($test as $v) {$tmp = $cage->calage ($v);
echo $v, ': ', $tmp [' Year '], ' years ', $tmp [' Month '], ' month ', $tmp [' Day '], ' days ', '; ', $tmp [' Not_birth '], ' <br> ';
 
 
Echo ' </pre> ';
  /* Run Results: 2015-10-13 1990-06-12: April 25 1 days; 0
  1990-07-13: March 25 0 days; 0
  1990-08-16: January 25 27 days; 0
  1990-10-10:250月 3 days; 0
  1990-10-13:250月 0 days; 0
  1990-10-15: November 24 28 days; 0
  1990-11-9: November 24 4 days; 0
  1990-11-22: October 24 21 days; 0
 
2016-11-22:1 year January 9 days 1 2016-8-22:0 year October 9 days 1 2016-10-13:1 year 0月 0 days 1 * 
 */ 

Hopefully this article will help you learn about PHP programming.