PHP Chinese string interception PHP function to intercept Chinese string

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Release: 2016-07-25 09:04:15
Original
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  1. /**
  2. @Chinese string interception function
  3. @http://bbs.it-home.org
  4. */
  5. function cnSubStr($string,$sublen)
  6. {
  7. if($sublen>=strlen($string))
  8. {
  9. return $string;
  10. }
  11. $s="";
  12. for($i=0;$i<$sublen;$i++)
  13. {
  14. if(ord($string{$i})>127)
  15. {
  16. $s.=$string{$i}.$string{++$i};
  17. continue;
  18. }else{
  19. $s.=$string{$i};
  20. continue;
  21. }
  22. }
  23. return $s;
  24. }// End Function cnSubStr($string,$sublen)
  25. /////////// Use like this :
  26. echo "

    __________________________

    ";

  27. $string="382脚本学堂8923专业网站技术站点89023";
  28. $sublen=strlen($string);
  29. $len=20;
  30. echo $string."

    ";

  31. echo "总长为:".($sublen+1)."

    ";

  32. echo "截取数:".$len."

    ";

  33. for($i=1;$i<=$sublen+1;$i++){
  34. if($i>$len){
  35. echo $i." ".cnSubStr($string,$i)."…
    ";
  36. continue;
  37. }
  38. echo $i." ".cnSubStr($string,$i)."
    ";
  39. }
  40. ?>
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