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获取中文字符拼音首字母
function
getFirstCharter(
$str
){
if
(
empty
(
$str
)){
return
‘‘
;}
$fchar
=ord(
$str
{0});
if
(
$fchar
>=ord(
‘A‘
)&&
$fchar
<=ord(
‘z‘
))
return
strtoupper
(
$str
{0});
$s1
=iconv(
‘UTF-8‘
,
‘gb2312‘
,
$str
);
$s2
=iconv(
‘gb2312‘
,
‘UTF-8‘
,
$s1
);
$s
=
$s2
==
$str
?
$s1
:
$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:
?
1 |
echo getFirstCharter( ‘脚本之家www.jb51.net‘ ); //结果将输出:J |
How to get the first letter of Chinese pinyin by PHP