Php method code example for getting the first letter of Chinese pinyin

This article mainly introduces the method of getting the first letter of Chinese pinyin in PHP, the need for friends can refer to the following

In reality, we often see such a description, ranked in no particular order, according to the first letter of the name. This is the sort method that most Chinese use. So how do you do it in a PHP program?

The following is to share in the PHP program to get the first letter of Chinese pinyin method, most of the online search is problematic, this is a small part of the practice has been applied, really can use the OH.

PHP gets Chinese characters Pinyin initials function Getfirstcharter ($STR) {if (empty ($STR)) {return ';}  $fchar =ord ($str {0});  if ($fchar >=ord (' A ') && $fchar <=ord (' z ')) return Strtoupper ($str {0});  $s 1=iconv (' UTF-8 ', ' gb2312 ', $str);  $s 2=iconv (' gb2312 ', ' UTF-8 ', $s 1);  $s = $s 2== $str? $s 1: $str;  $asc =ord ($s {0}) *256+ord ($s {1})-65536;  if ($asc >=-20319&& $asc <=-20284) return ' A ';  if ($asc >=-20283&& $asc <=-19776) return ' B ';  if ($asc >=-19775&& $asc <=-19219) return ' C ';  if ($asc >=-19218&& $asc <=-18711) return ' D ';  if ($asc >=-18710&& $asc <=-18527) return ' E ';  if ($asc >=-18526&& $asc <=-18240) return ' F ';  if ($asc >=-18239&& $asc <=-17923) return ' G ';  if ($asc >=-17922&& $asc <=-17418) return ' H ';  if ($asc >=-17417&& $asc <=-16475) return ' J ';  if ($asc >=-16474&& $asc <=-16213) return ' K ';  if ($asc >=-16212&& $asc <=-15641) return ' L '; if ($asc >=-15640&& $asc <=-15166) reTurn ' M ';  if ($asc >=-15165&& $asc <=-14923) return ' N ';  if ($asc >=-14922&& $asc <=-14915) return ' O ';  if ($asc >=-14914&& $asc <=-14631) return ' P ';  if ($asc >=-14630&& $asc <=-14150) return ' Q ';  if ($asc >=-14149&& $asc <=-14091) return ' R ';  if ($asc >=-14090&& $asc <=-13319) return ' S ';  if ($asc >=-13318&& $asc <=-12839) return ' T ';  if ($asc >=-12838&& $asc <=-12557) return ' W ';  if ($asc >=-12556&& $asc <=-11848) return ' X ';  if ($asc >=-11847&& $asc <=-11056) return ' Y ';  if ($asc >=-11055&& $asc <=-10247) return ' Z '; return null; }

Examples are as follows:

echo getfirstcharter (' Chinese web www.php.cn ');//Results output: Z