return null;}//php获取中文字符拼音首字母function WSTGetFirstCharter($str){if(empty($str)){return '';}$fchar=ord($str{0});if($fchar>=ord('A')&&$fchar<=ord('z')) return strtoupper($str{0});$s1=iconv('UTF-8','utf-8',$str);$s2=iconv('utf-8','UTF-8',$s1);$s=$s2==$str?$s1:$str;if(empty($s{1})){return '';}$asc=ord($s{0})*256+ord($s{1})-65536;if($asc>=-20319 && $asc<=-20284) return 'A';