php 阿拉伯数字转中文汉字

 //去掉数字段前面的0 
function del0($num){ 
	return "".intval($num); 
} 
//单个数字变汉字
function n2c($x){ 
	$arr_n = array("零","一","二","三","四","五","六","七","八","九","十"); 
	return $arr_n[$x]; 
} 
//读取数值（4位）
function num_r($abcd)
{ 
	$arr= array(); 
	$str = ""; //读取后的汉字数值 
	$flag = 0; //该位是否为零 
	$flag_end = 1; //是否以“零”结尾 
	$size_r = strlen($abcd); 
	for($i=0; $i<$size_r; $i++){ 
		$arr[$i] = $abcd{$i}; 
	} 
	$arrlen = count($arr); 
	for($j=0; $j<$arrlen; $j++){ 
		$ch = n2c($arr[$arrlen-1-$j]); //从后向前转汉字 
		if($ch == "零" && $flag == 0){ //如果是第一个零 
			$flag = 1; //该位为零 
			$str = $ch.$str; //加入汉字数值字符串 
			continue; 
		}elseif($ch == "零"){ //如果不是第一个零了 
			continue; 
		} 
		$flag = 0; //该位不是零 
		switch($j) { 
			case 0: $str = $ch; $flag_end = 0; break; //第一位（末尾），没有以“零”结尾 
			case 1: $str = $ch."十".$str; break; //第二位 
			case 2: $str = $ch."百".$str; break; //第三位 
			case 3: $str = $ch."千".$str; break; //第四位
			case 4: $str = $ch."万".$str; break; //第五位
			case 5: $str = $ch."十".$str; break; //第六位
			case 6: $str = $ch."百".$str; break; //第七位
			case 7: $str = $ch."千".$str; break; //第八位
		} 
	} 
	//如果以“零”结尾 
	if($flag_end == 1) { 
	mb_internal_encoding("UTF-8"); 
	$str = mb_substr($str, 0, mb_strlen($str)-1); //把“零”去掉 
	} 
	return $str; 
	} 
	function num2ch($num) //整体读取转换 
	{ 
	$num_real = del0($num);//去掉前面的“0” 
	$numlen = strlen($num_real); 
	echo "numlen=".$numlen.""; 
	if($numlen >= 9)//如果满九位，读取“亿”位 
	{ 
	$y=substr($num_real, -9, 1); 
	//echo $y; 
	$wsbq = substr($num_real, -8, 4); 
	$gsbq = substr($num_real, -4); 
	$a = num_r(del0($gsbq)); 
	$b = num_r(del0($wsbq))."万"; 
	$c = num_r(del0($y))."亿"; 
	}elseif($numlen <= 8 && $numlen >= 5) //如果大于等于“万” 
	{ 
	$wsbq = substr($num_real, 0, $numlen-4); 
	$gsbq = substr($num_real, -4); 
	$a = num_r(del0($gsbq)); 
	$b = num_r(del0($wsbq))."万"; 
	$c=""; 
	}elseif($numlen <= 4) //如果小于等于“千” 
	{ 
	$gsbq = substr( $num_real, -$numlen); 
	$a = num_r(del0($gsbq)); 
	$b=""; 
	$c=""; 
	} 
	$ch_num = $c.$b.$a; 
	return $ch_num; 
} 
 
 echo num_r("93963963")."<br>";
 // 注意：最大千万