代码:
<?<span php
</span><span /*</span><span *
* 根据身份证号码得到年龄
* edit: www.jbxue.com
</span><span */</span>
<span function</span><span getAgeByID($id){
</span><span //</span><span 过了这年的生日才算多了1周岁 </span>
<span if</span>(empty($id)) <span return</span> ''<span ;
$date</span>=strtotime(substr($id,6,8<span ));
</span><span //</span><span 获得出生年月日的时间戳 </span>
$today=strtotime('today'<span );
</span><span //</span><span 获得今日的时间戳 </span>
$diff=floor(($today-$date)/86400/365<span );
</span><span //</span><span 得到两个日期相差的大体年数 </span><span
//</span><span strtotime加上这个年数后得到那日的时间戳后与今日的时间戳相比 </span>
$age=strtotime(substr($id,6,8).' +'.$diff.'years')>$today?($diff+1<span ):$diff;
</span><span return</span><span $age;
}
</span>?>
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