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2024年1月18日发(作者：个人博客登录注册个人界面)
$tempv = ord(substr($title,$i,1));if($tempv >= 192) break;}$start = $i;}}}if(strlen($title)<=$len) return substr($title,$start,$len);$alen = 0;$blen = 0;$realnum = 0;for($i=$start;$i{$ctype = 0;$cstep = 0;$cur = substr($title,$i,1);if($cur == "&"){if(substr($title,$i,4) == "<"){$cstep = 4;$length += 4;$i += 3;$realnum ++;if($magic){$alen ++;}}else if(substr($title,$i,4) == ">"){$cstep = 4;$length += 4;$i += 3;
$realnum ++;if($magic){$alen ++;}}else if(substr($title,$i,5) == "&"){$cstep = 5;$length += 5;$i += 4;$realnum ++;if($magic){$alen ++;}}else if(substr($title,$i,6) == """){$cstep = 6;$length += 6;$i += 5;$realnum ++;if($magic){$alen ++;}}else if(preg_match("/(/d+);?/i",substr($title,$i,8),$match)){$cstep = strlen($match[0]);$length += strlen($match[0]);$i += strlen($match[0])-1;$realnum ++;
if($magic){$blen ++;$ctype = 1;}}}else{if(ord($cur)>=252){$cstep = 6;$length += 6;$i += 5;$realnum ++;if($magic){$blen ++;$ctype = 1;}}elseif(ord($cur)>=248){$cstep = 5;$length += 5;$i += 4;$realnum ++;if($magic){$ctype = 1;$blen ++;}}elseif(ord($cur)>=240){$cstep = 4;$length += 4;$i += 3;$realnum ++;if($magic)
{$blen ++;$ctype = 1;}}elseif(ord($cur)>=224){$cstep = 3;$length += 3;$i += 2;$realnum ++;if($magic){$ctype = 1;$blen ++;}}elseif(ord($cur)>=192){$cstep = 2;$length += 2;$i += 1;$realnum ++;if($magic){$blen ++;$ctype = 1;}}elseif(ord($cur)>=128){$length += 1;}else{$cstep = 1;$length +=1;$realnum ++;if($magic){if(ord($cur) >= 65 && ord($cur) <= 90){
$blen++;}else{$alen++;}}}}if($magic){if(($blen*2+$alen) == ($len*2)) break;if(($blen*2+$alen) == ($len*2+1)){if($ctype == 1){$length -= $cstep;break;}else{break;}}}else{if($realnum == $len) break;}}unset($cur);unset($alen);unset($blen);unset($realnum);unset($ctype);unset($cstep);return substr($title,$start,$length);}
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