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php中的一个中文字符串截取函数

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WBOYOriginal
2016-06-13 12:34:051072browse

PHP代码:
--------------------------------------------------------------------------------

/**
***@Author:LAD
***@URL   :http://www.cnpik.com/
***@E_mail:lianxiwoo@sohu.com 
***@随便用,不收钱 :-)
*/
function cnSubStr($string,$sublen)
{
    if($sublen>=strlen($string))
    {
        return $string;
    }
    $s="";
    for($i=0;$i    {
        if(ord($string{$i})>127) 
        {
            $s.=$string{$i}.$string{++$i};
            continue;
        }else{
            $s.=$string{$i};
            continue;
        } 
    }
    return $s;
}// End Function cnSubStr($string,$sublen)
/////////// Use like this :
echo "

__________________________

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

";
echo "总长为:".($sublen+1)."

";
echo "截取数:".$len."

";
for($i=1;$i    if($i>$len){
        echo $i." → ".cnSubStr($string,$i)."…
";
        continue;
    }
    echo $i." → ".cnSubStr($string,$i)."
";
}
?>

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