php 漢字轉成拼音代碼

php 漢字轉成拼音代碼
<?php
function utf82gb($utfstr){ // UTF-8漢字轉GBK漢字
 if(function_exists('iconv')){ return iconv('utf-8','gbk',$utfstr); }
 global $UC2GBTABLE;
 $okstr = "";
 if(trim($utfstr)=="") return $utfstr;
 if(empty($UC2GBTABLE)){
  $filename = dirname(__FILE__) . "/gb2312-utf8.table";
  $fp = fopen($filename,"r");
  while($l = fgets($fp,15))
  { $UC2GBTABLE[hexdec(substr($l, 7, 6))] = hexdec(substr($l, 0, 6));}
  fclose($fp);
 }
 $okstr = "";
 $ulen = strlen($utfstr);
 for($i=0;$i<$ulen;$i++)
 {
  $c = $utfstr[$i];
  $cb = decbin(ord($utfstr[$i]));
  if(strlen($cb)==8){
   $csize = strpos(decbin(ord($cb)),"0");
   for($j=0;$j < $csize;$j++){
    $i++; $c .= $utfstr[$i];
   }
   $c = utf82u($c);
   if(isset($UC2GBTABLE[$c])){
    $c = dechex($UC2GBTABLE[$c]+0x8080);
    $okstr .= chr(hexdec($c[0].$c[1])).chr(hexdec($c[2].$c[3]));
   }
   else
   { $okstr .= "&#".$c.";";}
  }
  else $okstr .= $c;
 }
 $okstr = trim($okstr);
 return $okstr;
}

function SpGetPinyin($str,$ishead=0,$isclose=1){ // GBK漢字轉拼音
 global $pinyins;
 $restr = "";
 $str = trim($str);
 $slen = strlen($str);
 if($slen<2) return $str;
 if(count($pinyins)==0){
  $fp = fopen(dirname(__FILE__) . '/pinyin.db',"r");
  while(!feof($fp)){
   $line = trim(fgets($fp));
   $pinyins[$line[0].$line[1]] = substr($line,3,strlen($line)-3);
  }
  fclose($fp);
 }
 for($i=0;$i<$slen;$i++){
  if(ord($str[$i])>0x80)
  {
   $c = $str[$i].$str[$i+1];
   $i++;
   if(isset($pinyins[$c])){
    if($ishead==0) $restr .= $pinyins[$c];
    else $restr .= $pinyins[$c][0];
   }else $restr .= "_";
  }else if( eregi("[a-z0-9]",$str[$i]) ){ $restr .= $str[$i]; }
  else{ $restr .= "_";  }
 }
 if($isclose==0) unset($pinyins);
 return $restr;
}

function getPinyin($string){ // UTF-8漢字轉拼音
 return SpGetPinyin(utf82gb($string));
}

echo getPinyin("中國WEB第一站");
?>