=strlen($string)){return $string;}$s=;for($i=0;$i{if(ord($string{$i})>127){$s.=$string{$i}.$string{++$i};continue;}else{$s.=$string{$i};continue;}}return $s;}// end function cnsubstr($string,$sublen)/////////// use like this :echo __________________________
;
$string=382脚本学堂8923专业网站技术站点89023;$sublen=strlen($string);$len=20;echo $string.;
echo 总长为：.($sublen+1).;
echo 截取数：.$len.;
for($i=1;$iif($i>$len){echo $i. → .cnsubstr($string,$i).…
;continue;}echo $i. → .cnsubstr($string,$i).
;}?>
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