How to get the initials of Chinese characters by PHP custom function

This paper describes the method of getting the initials of Chinese characters by PHP custom function. Share to everyone for your reference, as follows:

The first letter is important and can be used for sorting.

City list and so on.

<?php/** Created on 2016-12-1*/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}) * + 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;} $firstChar = Getfirstcharter (' Script House ');p Rint_r ($fIrstchar);//Output:j?> 

The above is the PHP custom function to get the first letter of the content of the method, more relevant content please pay attention to topic.alibabacloud.com (www.php.cn)!

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