php实现中文转数字

function checkNatInt($str) {  $map = array(    '一' => '1','二' => '2','三' => '3','四' => '4','五' => '5','六' => '6','七' => '7','八' => '8','九' => '9',    '壹' => '1','贰' => '2','叁' => '3','肆' => '4','伍' => '5','陆' => '6','柒' => '7','捌' => '8','玖' => '9',    '零' => '0','两' => '2',    '仟' => '千','佰' => '百','拾' => '十',    '万万' => '亿',  );    $str = str_replace(array_keys($map), array_values($map), $str);  $str = checkString($str, '/([/d亿万千百十]+)/u');   $func_c2i = function ($str, $plus = false) use(&$func_c2i) {    if(false === $plus) {      $plus = array('亿' => 100000000,'万' => 10000,'千' => 1000,'百' => 100,'十' => 10,);    }       $i = 0;    if($plus)    foreach($plus as $k => $v) {      $i++;      if(strpos($str, $k) !== false) {        $ex = explode($k, $str, 2);         $new_plus = array_slice($plus, $i, null, true);        $l = $func_c2i($ex[0], $new_plus);        $r = $func_c2i($ex[1], $new_plus);        if($l == 0) $l = 1;        return $l * $v + $r;      }    }     return (int)$str;  }  return $func_c2i($str); }  //来自uct php微信开发框架，其中的checkString函数如下 function checkString($var, $check = '', $default = '') {  if (!is_string($var)) {    if(is_numeric($var)) {      $var = (string)$var;    }    else {      return $default;    }  }  if ($check) {     return (preg_match($check, $var, $ret) ? $ret[1] : $default);  }   return $var;}

echo checkNatInt('九百六十万'); //普通中文数字，9600000echo checkNatInt('壹亿柒仟万零捌佰肆拾'); //大写中文数字，170000840  echo checkNatInt('学好PHP拿百万年薪'); //句子中的数字, 1000000echo checkNatInt('今年春运发送人次达26亿'); //数字和汉字混合出现，2600000000 echo checkNatInt('两只小蜜蜂'); //口语化数字，2echo checkNatInt('万万没想到'); //复古的表达方式，100000000