一个中文字符串截取函数，巨爽~~~！_PHP教程

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

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