php unicode解码工具(unicode编码转换器)

2. //Unicode编码解码转换
3. function unicode_encode($name)
4. {
5. $name = iconv('UTF-8', 'UCS-2', $name);
6. $len = strlen($name);
7. $str = '';
8. for ($i = 0; $i {
9. $c = $name[$i];
10. $c2 = $name[$i + 1];
11. if (ord($c) > 0)
12. { //两个字节的文字
13. $str .= '\u'.base_convert(ord($c), 10, 16).str_pad(base_convert(ord($c2), 10, 16), 2, 0, STR_PAD_LEFT);
14. }
15. else
16. {
17. $str .= $c2;
18. }
19. }
20. return $str;
21. }
22. //将UNICODE编码后的内容进行解码
23. function unicode_decode($name)
24. { // bbs.it-home.org
25. //转换编码，将Unicode编码转换成可以浏览的utf-8编码
26. $pattern = '/([\w]+)|(\\\u([\w]{4}))/i';
27. preg_match_all($pattern, $name, $matches);
28. if (!empty($matches))
29. {
30. $name = '';
31. for ($j = 0; $j {
32. $str = $matches[0][$j];
33. if (strpos($str, '\\u') === 0)
34. {
35. $code = base_convert(substr($str, 2, 2), 16, 10);
36. $code2 = base_convert(substr($str, 4), 16, 10);
37. $c = chr($code).chr($code2);
38. $c = iconv('UCS-2', 'UTF-8', $c);
39. $name .= $c;
40. }
41. else
42. {
43. $name .= $str;
44. }
45. }
46. }
47. return $name;
48. }

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