PHP中文数字转阿拉伯数字

字符串示例：一百三十二，转成132。

PHP中文数字转阿拉伯数字：一

/**
 * 中文数字替换阿拉伯数字
 */
function switchChnNumber( $time ) {
	if ( ! empty( $time ) ) {
		$replaceValueC = [
			"零" => 0,
			"一" => 1,
			"二" => 2,
			"两" => 2,
			"三" => 3,
			"四" => 4,
			"五" => 5,
			"六" => 6,
			"七" => 7,
			"八" => 8,
			"九" => 9,
			"十" => '0',
			"百" => '00',
			"千" => '000',
			"万" => '0000',
		];
		//拆分含有中文的字符串
		$arrTime = preg_split( '/(?<!^)(?!$)/u', $time );
		foreach ( $arrTime as $key => $value ) {
			if ( isset( $replaceValueC[ $value ] ) && $replaceValueC[ $value ] != '' ) {
				$arrTime[ $key ] = $replaceValueC[ $value ];
			} else {
				$arrTime[ $key ] = $value;
			}
		}
 
		return implode( "", $arrTime );
	} else {
		return $time;
	}
}

PHP中文数字转阿拉伯数字：二

function ch2num($str){
	//单位数组用于循环遍历，单位顺序从大到小
	$c = [
		'万亿'=>1000000000000,
		'亿' => 100000000,
		'万' => 10000,
	];
 
	//中文替换数字规则，零没什么卵用；所以去掉
	$b = [
		'一' =>1,
		'二' =>2,
		'三' =>3,
		'四' =>4,
		'五' =>5,
		'六' =>6,
		'七' =>7,
		'八' =>8,
		'九' =>9,
		'零' =>'',
	];
 
	//替换数字
	$str =  str_replace(array_keys($b), array_values($b), $str);
	//结果 7百7十8万亿4千7百2十亿7千5百7十万4千4百8十
	//如果字符串以十开头，前边加1
    if(mb_strpos($str, '十' ,0 ,'utf-8') === 0)
	    $str = '1'.$str;
 
    //初始化一个数组
    $arr[] = array(
	    'str'    => $str, //字符串
	    'unit'  => 1,     //单位
    );
    //将字符串按单位切分
    foreach ($c as $key => $value) {
	    $brr = [];
	    foreach ($arr as $item) {
		    if(strpos($item['str'], $key)){
			    $sun = explode($key, $item['str'],2);
			    $brr[] = [
				    'str' => $sun[0],
				    'unit' => $value,
			    ];
			    $brr[] = [
				    'str' => $sun[1],
				    'unit' => $item['unit'],
			    ];
		    }else{
			    $brr[] = $item;
		    }
	    }
	    $arr = $brr;
    }
    //遍历求和
    $sum = 0;
    foreach ($arr as $item) {
	    $sum += getNum($item['str'],$item['unit']);
    }
    return $sum;
}
 
//将分组后的字符串转化成数字，并乘以单位
function getNum($str,$st){
	//倍数
	$a = [
		'千'=>1000,
		'百'=>100,
		'十'=>10
	];
	//开始值
	$num = 0;
	//当前值所在位数
	$step = 1;
	//单位
	$un = 1;
	$arr =  preg_split('/(?<!^)(?!$)/u', $str);
	while (count($arr)) {
		$m = array_pop($arr);
		//如果是位数;更新倍数
		if(!empty($a[$m])){
			$step = $a[$m];
		}
		if(is_numeric($m)){
			$num += $m * $step;
		}
	}
	return $num * $st;
}