PHP将阿拉伯数字转化为汉字的方法

<p>function num2char($num,$mode=true){</p>	$char = array('零','一','二','三','四','五','六','七','八','九');<br />	//$char = array('零','壹','贰','叁','肆','伍','陆','柒','捌','玖);<br />	$dw = array('','十','百','千','','万','亿','兆');<br />	//$dw = array('','拾','佰','仟','','萬','億','兆');<br />	$dec = '点';  //$dec = '點';<br />	$retval = '';<br />	if($mode){<br />		preg_match_all('/^0*(\d*)\.?(\d*)/',$num, $ar);<br />	}else{<br />		preg_match_all('/(\d*)\.?(\d*)/',$num, $ar);<br />	}<br />	if($ar[2][0] != ''){<br />		$retval = $dec . ch_num($ar[2][0],false); //如果有小数，先递归处理小数<br />	}<br />	if($ar[1][0] != ''){<br />		$str = strrev($ar[1][0]);<br />		for($i=0;$i<strlen($str);$i++) {<br />			$out[$i] = $char[$str[$i]];<br />			if($mode){<br />				$out[$i] .= $str[$i] != '0'? $dw[$i%4] : '';<br />				if($str[$i]+$str[$i-1] == 0){<br />					$out[$i] = '';<br />				}<br />				if($i%4 == 0){<br />					$out[$i] .= $dw[4+floor($i/4)];<br />				}<br />			}<br />		}<br />		$retval = join('',array_reverse($out)) . $retval;<br />	}<br />	return $retval;<br /><p>}</p><p><span>立即学习</span>“<a href="https://pan.quark.cn/s/7fc7563c4182" style="text-decoration: underline !important; color: blue; font-weight: bolder;" rel="nofollow" target="_blank">PHP免费学习笔记（深入）</a>”；</p>
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