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php教程 中文大写数字 转成 数字代码

echo "

";

echo test("一十二亿七十一万五十一");

/*

create by piaofen 

date: 2011-03-31

function: 中文大写数字转阿拉伯数字

*/

function chtonum($str="")

{

$unit = array("亿"=>100000000,"万"=>10000,"千"=>1000,"仟"=>1000,"百"=>100,"十"=>10);

$num = array("一"=>1,"二"=>2,"三"=>3,"四"=>4,"五"=>5,"六"=>6,"七"=>7,"八"=>8,"九"=>9);

$str = str_replace(array_keys($num),$num,$str);

$result = array();

$number = "";

preg_match_all("/[0-9]千[0-9]百[0-9]十[0-9]|[0-9]百[0-9]十[0-9]|[0-9]十[0-9]|[0-9]/ism",$str,$pnum);

foreach($pnum[0] as $val){

  $tmp = "";

  for($i=0;$i
   $s = mb_substr($val,$i,1,"utf-8");

   if(!is_numeric($s)){

    $k = $unit[$s];

    if(strlen($tmp)>=strlen($k)){

     preg_match("/([0-9]*)([0-9]{".(strlen($k)-1)."})([0-9])/ism",$tmp,$n);

     $tmp = ($n[1]+$n[3]).$n[2];

    }else{

     $tmp = $tmp * $k;

    }

   }else if($i==(mb_strlen($val,"utf-8")-1)){

    $tmp += $s;

   }else{

    $tmp .= $s;

   }

  }

  $nnum[] = $tmp;

}

$result = str_replace(array_keys($unit),";",str_replace($pnum[0],$nnum,$str));

foreach(explode(";",$result) as $val){

  $number .= sprintf("%04d",$val);

}

return sprintf("%2u",$number);

}

 

本文来源：http://www.gdgbn.com/kuzhan/29747/