- $str="这是一个测试程序1";
-
- echo getFirstCharCode($str);
-
-
- function getFirstCharCode($str){
- $str= iconv("UTF-8","gb2312", $str);
- $targetChar='*';
- $i=0;
-
- while($i $tmp=bin2hex(substr($str,$i,1));
- if($tmp>='B0'){ //汉字的开始
- $t=getLetter(hexdec(bin2hex(substr($str,$i,2))));
- $targetChar=$t==-1 ? '*' : $t ;
- //printf("%c",$t==-1 ? '*' : $t );
- break;
- //$i+=2;
- }
- else{
- $targetChar=substr($str,$i,1);
- break;
- //printf("%s",substr($str,$i,1));
- //$i++;
- }
-
- }
- if(is_numeric($targetChar)){
- return chr($targetChar);
- }
- else{
- return $targetChar;
- }
- }
-
- function getLetter($num){
- $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
- );
- $char_index=65;
- foreach($limit as $k=>$v){
- if($num>=$v[0] && $num $char_index+=$k;
- return $char_index;
- }
- }
- return -1;
- }
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