更新时间:20120102
- /**
- * [WebodMin] (C)2010-2099 Blank Inc.
- * This is NOT a freeware, use is subject to license terms
- *
- **/
-
- function subistr($string, $length, $dot = ' ...') {
- global $charset;
- if(strlen($string) return $string;
- }
- $s = '';
- if(strtolower($charset) == 'utf-8') {
- $n = $tn = $noc = 0;
- while($n $t = ord($string[$n]);
- if($t == 9 || $t == 10 || (32 $tn = 1; $n++; $noc++;
- } elseif(194 $tn = 2; $n += 2; $noc += 2;
- } elseif(224 $tn = 3; $n += 3; $noc += 2;
- } elseif(240 $tn = 4; $n += 4; $noc += 2;
- } elseif(248 $tn = 5; $n += 5; $noc += 2;
- } elseif($t == 252 || $t == 253) {
- $tn = 6; $n += 6; $noc += 2;
- } else {
- $n++;
- }
- if($noc >= $length) {
- break;
- }
- }
- if($noc > $length) {
- $n -= $tn;
- }
- $s = substr($string, 0, $n);
- } else {
- for($i = 0; $i $s .= ord($string[$i]) >= 127 ? $string[$i].$string[++$i] : $string[$i];
- }
- }
- return $s.$dot;
- }
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