在网上看到一个非常有趣的PHP人民币金额数字转中文大写的函数，其实质就是数字转换成中文大写，测试了一下，非常有趣，随便输个数字，就可以将其大写打印出来，新手朋友们试一下吧，举一反三，还可以写好多有趣的PHP转换函数。
<?
function cny($ns) {
static $cnums=array("零","壹","贰","叁","肆","伍","陆","柒","捌","玖"),
$cnyunits=array("圆","角","分"),
$grees=array("拾","佰","仟","万","拾","佰","仟","亿");
list($ns1,$ns2)=explode(".",$ns,2);
$ns2=array_filter(array($ns2[1],$ns2[0]));
$ret=array_merge($ns2,array(implode("",_cny_map_unit(str_split($ns1),$grees)),""));
$ret=implode("",array_reverse(_cny_map_unit($ret,$cnyunits)));
return str_replace(array_keys($cnums),$cnums,$ret);
}
function _cny_map_unit($list,$units) {
$ul=count($units);
$xs=array();
foreach (array_reverse($list) as $x) {
$l=count($xs);
if ($x!="0" || !($l%4)) $n=($x=='0'?'':$x).($units[($l-1)%$ul]);
else $n=is_numeric($xs[0][0])?$x:'';
array_unshift($xs,$n);
}
return $xs;
}
?>
使用方法：直接传递数字参数即可，下面的实例打印出来便是数字大写。输出：壹万贰仟壹佰贰拾壹圆
<?php
echo cny('12121');
?>
