php汉字转拼音首字母有关问题

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Release: 2016-06-13 11:40:58
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php汉字转拼音首字母问题。
程序运行后,发现字符串中有些文字转换不了。如果是单独输入这些字,直接去转换可以读取出拼音开头字母。
在字符串中就不行。程序代码如下:
 
 function getfirstchar($s0){     

     $fchar = ord($s0{0});  

     if($fchar >= ord("a") and $fchar 
     $s1 = iconv("UTF-8","gb2312", $s0);  

     $s2 = iconv("gb2312","UTF-8", $s1);  

     if($s2 == $s0){$s = $s1;}else{$s = $s0;}  

     $asc = ord($s{0}) * 256 + ord($s{1}) - 65536;  

     if($asc >= -20319 and $asc 
     if($asc >= -20283 and $asc 
     if($asc >= -19775 and $asc 
     if($asc >= -19218 and $asc   
     if($asc >= -18710 and $asc 
     if($asc >= -18526 and $asc 
     if($asc >= -18239 and $asc 
     if($asc >= -17922 and $asc 
     if($asc >= -17417 and $asc 
     if($asc >= -16474 and $asc 
     if($asc >= -16212 and $asc 
     if($asc >= -15640 and $asc 
     if($asc >= -15165 and $asc 
     if($asc >= -14922 and $asc 
     if($asc >= -14914 and $asc 
     if($asc >= -14630 and $asc 
     if($asc >= -14149 and $asc 
     if($asc >= -14090 and $asc 
     if($asc >= -13318 and $asc 
     if($asc >= -12838 and $asc    
     if($asc >= -12556 and $asc 
     if($asc >= -11847 and $asc 
     if($asc >= -11055 and $asc 
     return null;  

 }   

 function pinyin1($zh){  

     $ret = "";  

     $s1 = iconv("UTF-8","gb2312", $zh);  

     $s2 = iconv("gb2312","UTF-8", $s1);  

     if($s2 == $zh){$zh = $s1;}  

     for($i = 0; $i 
         $s1 = substr($zh,$i,1);  

         $p = ord($s1); 

         if($p > 160){  

             $s2 = substr($zh,$i++,2);  

             $ret .= getfirstchar($s2); 

         }else{  

             $ret .= $s1;  

         }  

     }  

     return $ret;  

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