php 中文编码的转换之mb_convert_encoding()函数

本文给大家分享了php 中文编码的转换之mb_convert_encoding()函数的教程，不会的朋友快来看看吧。

mb_convert_encoding( $str, $encoding1,$encoding2 )

$str，要转换编码的字符串
$encoding1，目标编码，如utf-8,gbk，大小写均可
$encoding2，原编码，如utf-8,gbk，大小写均可

实例1

<?php $str='电影618:https://www.111cn.net';
echo mb_convert_encoding($str, "UTF-8"); //编码转换为utf-8
?> 

实例2

<?php $str='电影618:https://www.111cn.net';
echo mb_convert_encoding($str, "UTF-8", "GBK"); //已知原编码为GBK，转换为utf-8
?>

实例3

<?php $str='电影618:https://www.111cn.net';
echo mb_convert_encoding($str, "UTF-8", "auto"); //未知原编码，通过auto自动检测后，转换编码为utf-8
?>

php.net网站实例

<?php /* Convert internal character encoding to SJIS */
$str = mb_convert_encoding($str, "SJIS");

/* Convert EUC-JP to UTF-7 */
$str = mb_convert_encoding($str, "UTF-7", "EUC-JP");

/* Auto detect encoding from JIS, eucjp-win, sjis-win, then convert str to UCS-2LE */
$str = mb_convert_encoding($str, "UCS-2LE", "JIS, eucjp-win, sjis-win");

/* "auto" is expanded to "ASCII,JIS,UTF-8,EUC-JP,SJIS" */
$str = mb_convert_encoding($str, "EUC-JP", "auto");
?>