本文实例讲述了php实现数组按拼音顺序排序的方法。分享给大家供大家参考,具体如下:
一、问题:
给定数组要求实现按照其汉字首字母排序:
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$pinyin = array (
array ( 'name' => '梁朝伟' , 'age' =>23),
array ( 'name' => 'andy' , 'age' =>24),
array ( 'name' => '黎明' , 'age' =>19),
array ( 'name' => '郭富城' , 'age' =>20)
);
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二、解决方法:
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<?php
/*
* Created on 2017-5-3
* author: www.zzvips.com
*
*/
function zhcnToPinyin( $str ) //汉字转拼音函数
{
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;
}
$pinyin = array (
array ( 'name' => '梁朝伟' , 'age' =>23),
array ( 'name' => 'andy' , 'age' =>24),
array ( 'name' => '黎明' , 'age' =>19),
array ( 'name' => '郭富城' , 'age' =>20)
);
$sort = array ();
foreach ( $pinyin as $key => $item ) {
$py = zhcnToPinyin( $item [ 'name' ]);
$pinyin [ $key ][ 'pinyin' ] = $py ;
$sort [] = $py ;
}
array_multisort ( $sort , SORT_ASC, $pinyin );
var_dump( $pinyin );
?>
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运行结果如下:
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array (4) {
[0]=>
array (3) {
[ "name" ]=>
string(4) "andy"
[ "age" ]=>
int(24)
[ "pinyin" ]=>
string(1) "A"
}
[1]=>
array (3) {
[ "name" ]=>
string(6) "郭富城"
[ "age" ]=>
int(20)
[ "pinyin" ]=>
string(1) "G"
}
[2]=>
array (3) {
[ "name" ]=>
string(4) "黎明"
[ "age" ]=>
int(19)
[ "pinyin" ]=>
string(1) "L"
}
[3]=>
array (3) {
[ "name" ]=>
string(6) "梁朝伟"
[ "age" ]=>
int(23)
[ "pinyin" ]=>
string(1) "L"
}
}
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希望本文所述对大家PHP程序设计有所帮助。