php mb_chunk_split函数支持宽字符分割

2. /**
3. * 分割字符串
4. * @param String $str 要分割的字符串
5. * @param int $length 指定的长度
6. * @param String $end 在分割后的字符串块追加的内容
7. */
8. function mb_chunk_split($string, $length, $end, $once = false){
9. $string = iconv('gb2312', 'utf-8//ignore', $string);
10. $array = array();
11. $strlen = mb_strlen($string);
12. while($strlen){
13. $array[] = mb_substr($string, 0, $length, "utf-8");
14. if($once)
15. return $array[0] . $end;
16. $string = mb_substr($string, $length, $strlen, "utf-8");
17. $strlen = mb_strlen($string);
18. }
19. return implode($end, $array);
20. }
22. $str = 's六一马上$就dfs要到$@#了';
23. $str1 = 'aabbccddeefff';
24. echo mb_chunk_split($str, 3, '...', true); //s六一...马上$...就df...s要到...$@#...了
25. echo "
    ";
26. echo mb_chunk_split($str1, 2, '...'); //aa...bb...cc...dd...ee...ff...f

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