人民币金额数字转中文大写的php函数

3. /**

4. 人民币金额数字转中文大写
5. link：bbs.it-home.org
6. date：2013-2-28
7. */
8. function cny($ns) {
9. static $cnums=array("零","壹","贰","叁","肆","伍","陆","柒","捌","玖"),
10. $cnyunits=array("圆","角","分"),
11. $grees=array("拾","佰","仟","万","拾","佰","仟","亿");
12. list($ns1,$ns2)=explode(".",$ns,2);
13. $ns2=array_filter(array($ns2[1],$ns2[0]));
14. $ret=array_merge($ns2,array(implode("",_cny_map_unit(str_split($ns1),$grees)),""));
15. $ret=implode("",array_reverse(_cny_map_unit($ret,$cnyunits)));
16. return str_replace(array_keys($cnums),$cnums,$ret);
17. }

18. function _cny_map_unit($list,$units) {

19. $ul=count($units);
20. $xs=array();
21. foreach (array_reverse($list) as $x) {
22. $l=count($xs);
23. if ($x!="0" || !($l%4)) $n=($x=='0'?'':$x).($units[($l-1)%$ul]);
24. else $n=is_numeric($xs[0][0])?$x:'';
25. array_unshift($xs,$n);
26. }
27. return $xs;
28. }
29. ?>

使用方法：直接传递数字参数 以下实例打印出大写的数字，输出结果：壹万贰仟壹佰贰拾壹圆

2. echo cny('12121');
3. ?>