function cn_midstr($str,$start,$len){ if($GLOBALS['cfg_ver_lang']=='utf-8'){ $str = utf82gb($str); return gb2utf8(cn_substrGb($str,$slen,$startdd)); }else{ return cn_substrGb($str,$slen,$startdd); } }
function cn_substr($str, $slen, $startdd = 0) { if ($charset == 'utf-8') { $str = utf82gb($str); return gb2utf8(cn_substrGb($str, $slen, $startdd)); } else { return cn_substrGb($str, $slen, $startdd); } }