php計算年齡精準到年月日，php計算年月日_PHP教程

php計算年齡精準到年月日，php計算年月日

本文執行個體講述了php計算年齡精準到年月日的方法。分享給大家供大家參考。具體如下：

<?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 {     /**   * 計算年齡精準到年月日   * @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 < 10) {      $bmonth = '0' . $bmonth;    }    if ($bday < 10) {      $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) {//先取歲數      $bi += 10000;      $years++;      $byear++;    }//得到歲數後 拋棄年    list($m, $d) = $this->getMD(array($year, $month, $day), array($byear, $bmonth, $bday));    return array('year' => $years, 'month' => $m, 'day' => $d, 'not_birth' => $not_birth);  }   /**   * 只能用於一年內計算   * @param type $ymd   * @param type $bymd   */  public function getMD($ymd, $bymd) {    list($y, $m, $d) = $ymd;    list($by, $bm, $bd) = $bymd;    if (($m . $d) < ($bm . $bd)) {      $m +=12;    }    $month = 0;    while ((($bm . $bd) + 100) <= ($m . $d)) {      $bm++;      $month++;    }    if ($bd <= $d) {//同處一個月      $day = $d - $bd;    } else {//少一個月      $mdays = $bm > 12 ? $this->_getMothDay( ++$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 12:        $day = 31;        break;      case 2:        $day = (intval($year % 4) ? 28 : 29); //能被4除盡的為29天其他28天        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 '
';foreach($test as $v){  $tmp = $cage->calAge($v);  echo $v , ':', $tmp['year'], '年', $tmp['month'], '月', $tmp['day'], '天', ';', $tmp['not_birth'], '
';}echo '
' ;  /*  運行結果：  2015-10-13  1990-06-12:25年4月1天;0  1990-07-13:25年3月0天;0  1990-08-16:25年1月27天;0  1990-10-10:25年0月3天;0  1990-10-13:25年0月0天;0  1990-10-15:24年11月28天;0  1990-11-9:24年11月4天;0  1990-11-22:24年10月21天;0  2016-11-22:1年1月9天;1  2016-8-22:0年10月9天;1  2016-10-13:1年0月0天;1  *  */

希望本文所述對大家學習php程式設計有所協助。

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