php中文字符串截取php截取中文字符串的函数
时间:2021-07-01 10:21:17
帮助过:14人阅读
- /**
- @中文字符串截取函数
- @http://bbs.it-home.org
- */
- function cnSubStr($string,$sublen)
- {
- if($sublen>=strlen($string))
- {
- return $string;
- }
- $s="";
- for($i=0;$i<$sublen;$i++)
- {
- if(ord($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;$i<=$sublen+1;$i++){
- if($i>$len){
- echo $i." → ".cnSubStr($string,$i)."…
"; - continue;
- }
- echo $i." → ".cnSubStr($string,$i)."
"; - }
- ?>
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