使用php自带的多字节处理函数来处理中文,最佳方法

echo "

__________________________

";
$string="242432反对感是456,,犯得上广泛大使馆地方7890abc";
$mb_strlen=mb_strlen($string);
$len=20;
echo $string."

";
echo "总长为：".($mb_strlen+1)."

";
echo "截取数：".$len."

";
for($i=1;$i if($i>$len){
echo $i." → ".mb_substr($string,$i)."…
";
continue;
}
echo $i." → ".mb_substr($string,$i)."
";
}
?>
参看PHP的Multi-Byte String Functions,
(1)编译时使用--enable-mbstring=cn
(2)修改/usr/local/lib/php.inc
default_charset = "zh-cn"
mbstring.language = zh-cn
mbstring.internal_encoding =zh-cn
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