php批量获取首字母（汉字、数字、英文）的代码

3. $mysql_server_name='127.0.0.1'; //改成自己的mysql数据库服务器

4. $mysql_username='用户'; //改成自己的mysql数据库用户名
5. $mysql_password='密码'; //改成自己的mysql数据库密码
6. $mysql_database='数据库'; //改成自己的mysql数据库名
7. mysql_connect('127.0.0.1', $mysql_username,$mysql_password) or die('database not access');
8. mysql_select_db($mysql_database);
9. mysql_query("SET NAMES 'utf8'");
10. $equery2 = " select title from 表1 ";
11. $result2=mysql_query($equery2);

12. while ($row = mysql_fetch_array($result2, MYSQL_BOTH))

13. {
14. $title=$row["title"];
15. if (ord($title)>128) { //汉字开头
16. echo $letter=getfirstchar($title);
17. }else if(ord($title)>=48 and ord($title)echo $letter=iconv_substr($title,0,1,'utf-8');
18. }else if(ord($title)>=65 and ord($title)echo $letter=iconv_substr($title,0,1,'utf-8');
19. }else if(ord($title)>=97 and ord($title)echo $letter=iconv_substr($title,0,1,'utf-8');
20. }
21. }

22. function getfirstchar($s0){

23. $s=iconv("UTF-8","gb2312", $s0);
24. $asc=ord($s{0})*256+ord($s伊雪)-65536;
25. if($asc>=-20319 and $ascif($asc>=-20283 and $ascif($asc>=-19775 and $ascif($asc>=-19218 and $ascif($asc>=-18710 and $ascif($asc>=-18526 and $ascif($asc>=-18239 and $ascif($asc>=-17922 and $ascif($asc>=-17417 and $ascif($asc>=-16474 and $ascif($asc>=-16212 and $ascif($asc>=-15640 and $ascif($asc>=-15165 and $ascif($asc>=-14922 and $ascif($asc>=-14914 and $ascif($asc>=-14630 and $ascif($asc>=-14149 and $ascif($asc>=-14090 and $ascif($asc>=-13318 and $ascif($asc>=-12838 and $ascif($asc>=-12556 and $ascif($asc>=-11847 and $ascif($asc>=-11055 and $ascreturn false;
26. }
27. ?>

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