计算年龄算法（周岁虚岁）

/**
    * $date是时间戳
    * $type为1的时候是虚岁,2的时候是周岁
    */
    function getAgeByBirth($date,$type 1){
      $nowYear "Y",time());
      $nowMonth "m",time());
      $nowDay "d",time());
      $birthYear "Y",$date);
      $birthMonth "m",$date);
      $birthDay "d",$date);
      if1){
        $age 1);
      }else2}{
        if$birthMonth){
          $age 1;
        }elseif($nowMonth$birthMonth){
          if$birthDay){
            $age 1;
          }else{
            $age  $birthYear;
          }
        }else{
          $age  $birthYear;
        }
      }
      return $age;

}

本文转自TBHacker博客园博客，原文链接：http://www.cnblogs.com/jiqing9006/p/3580492.html，如需转载请自行联系原作者