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A small function to determine whether there is a string containing Chinese characters

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Release： 2016-07-25 09:07:06
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  3. /*

  4. can be used in user names and other places where Chinese characters are not allowed
  5. */
  6. //--Example
  7. $str = “dd*(*d ”;
  8. if (iscn($str)) {
  9. echo “String including Chinese”;
  10. } else {
  11. echo “String excluding Chinese”;
  12. }

  13. / /--Function

  14. function iscn($str){
  15. if (preg_match("/.*[".chr(0xa1)."-".chr(0xff)."]+.*/", $str)) {
  16. return true;
  17. } else {
  18. return false;
  19. }
  20. }
  21. ?>

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判断是否有包括中文的字符串的小函数
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