php实现数字转亿万单位的示例代码

<?php
 function float_number($number){
 
    $number = $number*100;
    $length = strlen(floor($number));  //数字长度
    if($length > 10){ //亿单位
        $str =  round(substr_replace(floor($number * 0.000000001),'.',-1,0),2)."亿";
    }elseif($length >6){ //万单位
        //截取前俩为
        $str = round(($number * 0.00001) * 0.1,2)."万";
 
    }else{
        $str = round($number*0.01,2);
    }
    return $str;
}
 
 
$number = 1235989545; 
echo float_number($number);

 /**
 * 格式化数字
 */
  public function float_number($number){
        $length = strlen($number);  //数字长度
      if($length > 8){ //亿单位
        $str = substr_replace(floor($number * 0.0000001),'.',-1,0)."亿";
    }elseif($length >4){ //万单位
        //截取前俩为
        $str = floor($number * 0.001) * 0.1."万";

    }else{
        return $number;
    }
    return $str;
}

<?php  
 
$arrayNumber = [
	'0' => '零',
	'1' => '一',
	'2' => '二',
	'3' => '三',
	'4' => '四',
	'5' => '五',
	'6' => '六',
	'7' => '七',
	'8' => '八',
	'9' => '九',
];
 
$arrayUnit = [
	'0' => '',
	'1' => '十',
	'2' => '百',
	'3' => '千',
	'4' => '万',
	'5' => '十',
	'6' => '百',
	'7' => '千',
	'8' => '亿',
	'9' => '十',
	'10' => '百',
	'11' => '千',
];
 
$number = (string)123456789;
 
$numberLength = strlen($number);
 
$s = 0;
$str = '';
 
// 如果是两位数
if($numberLength == 2 && $number[0] == 1){
	if($number[1] == 0){
		$str .= $arrayUnit[1];
	}else{
		$str .= $arrayUnit[1].$arrayNumber[$number[1]];
	}
	echo $str;
	return $str;
}
 
// 不是两位数
for ($i=$numberLength; $i > 0; $i--) { 
	if($s == $numberLength - 1  && $number[$s] == 0){
 
	}elseif($number[$s] == 0 && $number[$s+1] == 0){
		//echo $s;
		if( ( $numberLength - $s) == 5 && $numberLength < 9){
			$str .= '万';
		}
		if( ($numberLength - $s) == 9 && $numberLength > 8){
			$str .= '亿';
		}
		$s++;
	}elseif($number[$s] == 0 && $number[$s+1] != 0){
		if( ($numberLength - $s) == 5 ){
			$str .= '万';
		}elseif( ($numberLength - $s) == 9 && $numberLength > 8){
			$str .= '亿';
		}else{
			$str .= $arrayNumber[$number[$s]];
		}
		
		$s++;
	}else{
		$str .= $arrayNumber[$number[$s]].$arrayUnit[$i-1];
		$s++;
	}
	
}
 
echo $str;
 
return $str;