<?php

$limit=array( //gb2312 拼音排序

    array(45217,45252), //A

    array(45253,45760), //B

    array(45761,46317), //C

    array(46318,46825), //D

    array(46826,47009), //E

    array(47010,47296), //F

    array(47297,47613), //G

    array(47614,48118), //H

    array(0,0),         //I

    array(48119,49061), //J

    array(49062,49323), //K

    array(49324,49895), //L

    array(49896,50370), //M

    array(50371,50613), //N

    array(50614,50621), //O

    array(50622,50905), //P

    array(50906,51386), //Q

    array(51387,51445), //R

    array(51446,52217), //S

    array(52218,52697), //T

    array(0,0),         //U

    array(0,0),         //V

    array(52698,52979), //W

    array(52980,53688), //X

    array(53689,54480), //Y

    array(54481,55289), //Z

);

$str="A:这是一个测试程序1";

$str= iconv("UTF-8","gb2312", $str);

echo $str."</br>";

$i=0;

while($i<strlen($str) ) {

    $tmp=bin2hex(substr($str,$i,1));

    if($tmp>='B0'){ //汉字的开始

        $t=getLetter(hexdec(bin2hex(substr($str,$i,2))));

        printf("%c",$t==-1 ? '*' : $t );

        $i+=2;

    }

    else{

        printf("%s",substr($str,$i,1));

        $i++;

    }

}

function getLetter($num){

    global $limit;

    $char_index=65;

    foreach($limit as $k=>$v){

        if($num>=$v[0] && $num<=$v[1]){

            $char_index+=$k;

            return $char_index;

        }

    }

    return -1;

}

?>