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function ccStrLen($str) #¼ÆËãÖÐÓ¢ÎÄ»ìºÏ×Ö·û´®µÄ³¤¶È
{
$ccLen=0;
$ascLen=strlen($str);
$ind=0;
$hasCC=ereg("[xA1-xFE]",$str); #ÅжÏÊÇ·ñÓкº×Ö
$hasAsc=ereg("[x01-xA0]",$str); #ÅжÏÊÇ·ñÓÐASCII×Ö·û
if($hasCC && !$hasAsc) #Ö»Óкº×ÖµÄÇé¿ö
return strlen($str)/2;
if(!$hasCC && $hasAsc) #Ö»ÓÐAscii×Ö·ûµÄÇé¿ö
return strlen($str);
for($ind=0;$ind<$ascLen;$ind++)
{
if(ord(substr($str,$ind,1))>0xa0)
{
$ccLen++;
$ind++;
}
else
{
$ccLen++;
}
}
return $ccLen;
}
function ccStrLeft($str,$len) #´Ó×ó±ß½ØÈ¡ÖÐÓ¢ÎÄ»ìºÏ×Ö·û´®
{
$ascLen=strlen($str); if($ascLen<=$len) return $str;
$hasCC=ereg("[xA1-xFE]",$str); #ͬÉÏ
$hasAsc=ereg("[x01-xA0]",$str);
if(!$hasCC) return substr($str,0,$len);
if(!$hasAsc)
if($len & 0x01) #Èç¹û³¤¶ÈÊÇÆæÊý
return substr($str,0,$len+$len-2);
else
return substr($str,0,$len+$len);
$cind=0;$flag=0;
while($cind<$ascLen)
{
if(ord(substr($str,$cind,1))<0xA1) $flag++;
$cind
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