Get initial letters (Chinese characters, numbers, English) in batches with php_PHP tutorial

　PHP batch acquisition of initial letters (Chinese characters, numbers, English)

　$mysql_server_name='127.0.0.1'; //Change to your own mysql database server

　$mysql_username='user'; //Change to your own mysql database username

　$mysql_password='password'; //Change to your own mysql database password

　$mysql_database='database'; //Change to your own mysql database name

　mysql_connect('127.0.0.1', $mysql_username,$mysql_password) or die('database not access');

　mysql_select_db($mysql_database);

　mysql_query("SET NAMES 'utf8'");

　$equery2 = " select title from table 1 ";

　$result2=mysql_query($equery2);

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

　{

　$title=$row["title"];

　if (ord($title)>128) { //Start with Chinese characters

　echo $letter=getfirstchar($title);

　}else if(ord($title)>=48 and ord($title)<=57){ //Start with numbers

　echo $letter=iconv_substr($title,0,1,'utf-8');

　}else if(ord($title)>=65 and ord($title)<=90){ //Start with uppercase English

　echo $letter=iconv_substr($title,0,1,'utf-8');

　}else if(ord($title)>=97 and ord($title)<=122){ //Start with lowercase English

　echo $letter=iconv_substr($title,0,1,'utf-8');

　}

　}

　function getfirstchar($s0){

　$s=iconv("UTF-8","gb2312", $s0);

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

　if($asc>=-20319 and $asc<=-20284)return "A";

　if($asc>=-20283 and $asc<=-19776)return "B"; if($asc>=-19775 and $asc<=-19219)return "C";

　if($asc>=-19218 and $asc<=-18711)return "D";

　if($asc>=-18710 and $asc<=-18527)return "E";

　if($asc>=-18526 and $asc<=-18240)return "F";

　if($asc>=-18239 and $asc<=-17923)return "G";

　if($asc>=-17922 and $asc<=-17418)return "H";

　if($asc>=-17417 and $asc<=-16475)return "J";

　if($asc>=-16474 and $asc<=-16213)return "K";

　if($asc>=-16212 and $asc<=-15641)return "L";

　if($asc>=-15640 and $asc<=-15166)return "M";

　if($asc>=-15165 and $asc<=-14923)return "N";

　if($asc>=-14922 and $asc<=-14915)return "O";

　if($asc>=-14914 and $asc<=-14631)return "P";

　if($asc>=-14630 and $asc<=-14150)return "Q";

　if($asc>=-14149 and $asc<=-14091)return "R";

　if($asc>=-14090 and $asc<=-13319)return "S";

　if($asc>=-13318 and $asc<=-12839)return "T";

　if($asc>=-12838 and $asc<=-12557)return "W";

　if($asc>=-12556 and $asc<=-11848)return "X";

　if($asc>=-11847 and $asc<=-11056)return "Y";

　if($asc>=-11055 and $asc<=-10247)return "Z";

　return false;

　}

http://www.bkjia.com/PHPjc/371854.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/371854.htmlTechArticle PHP batch obtains initial letters (Chinese characters, numbers, English) $mysql_server_name='127.0.0.1'; //Change to your own mysql database server $mysql_username='user'; //Change to your own mysql database...