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PHP Chinese string interception function example

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Release： 2016-07-25 09:12:52
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Example, Chinese string interception function code.

  3. //Example

  4. /*
  5. echo csubstr("123中文jbxue.com",0,4);
  6. echo csubstr("123中文jbxue国人" ,2,6);
  7. */

  8. //---Chinese string interception---

  9. function csubstr($str,$start,$len)
  10. {
  11. $strlen= strlen($str);
  12. if ($start>=$strlen)
  13. return $str;
  14. $clen=0;
  15. for($i=0;$i<$strlen;$i++,$clen++)
  16. {
  17. if(ord(substr($str,$i,1))>0xa0)
  18. {
  19. if ($clen>=$start)
  20. $tmpstr.=substr($str,$i,2);
  21. $i++ ;
  22. }
  23. else
  24. {
  25. if ($clen>=$start)
  26. $tmpstr.=substr($str,$i,1);
  27. }
  28. if ($clen>=$start+$len)
  29. break;
  30. }
  31. return $tmpstr;
  32. }

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Related labels：
php中文字符串截取函数示例
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