PHP 截取字符串 分别适合GB2312和UTF8编码情况

$I = $I + 2;
}
else
{
$I = $I + 1;
}
$StringLast[] = $StringTMP;
}
$StringLast = implode("",$StringLast);
if($Append)
{
$StringLast .= "...";
}
return $StringLast;
}
}$String = "www.at0915.cn";
$Length = "18";
$Append = false;
echo sysSubStr($String,$Length,$Append);
?>