function str_cut($string, $length, $dot = '...') 
{ 
$strlen = strlen($string); 
if($strlen <= $length) return $string; 
$string = str_replace(array(' ', '&', '"', ''', '“', '”', '—', '<', '>', '·', '…'), array(' ', '&', '"', "'", '“', '”', '—', '<', '>', '·', '…'), $string); 
$strcut = ''; 
if(strtolower(CHARSET) == 'utf-8') 
{ 
$n = $tn = $noc = 0; 
while($n < $strlen) 
{ 
$t = ord($string[$n]); 
if($t == 9 || $t == 10 || (32 <= $t && $t <= 126)) { 
$tn = 1; $n++; $noc++; 
} elseif(194 <= $t && $t <= 223) { 
$tn = 2; $n += 2; $noc += 2; 
} elseif(224 <= $t && $t < 239) { 
$tn = 3; $n += 3; $noc += 2; 
} elseif(240 <= $t && $t <= 247) { 
$tn = 4; $n += 4; $noc += 2; 
} elseif(248 <= $t && $t <= 251) { 
$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; 
$strcut = substr($string, 0, $n); 
} 
else 
{ 
$dotlen = strlen($dot); 
$maxi = $length - $dotlen - 1; 
for($i = 0; $i < $maxi; $i++) 
{ 
$strcut .= ord($string[$i]) > 127 ? $string[$i].$string[++$i] : $string[$i]; 
} 
} 
$strcut = str_replace(array('&', '"', "'", '<', '>'), array('&', '"', ''', '<', '>'), $strcut); 
return $strcut.$dot; 
} 
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