PHP过滤post、get敏感数据的例子

3. /**
4. * 批量过滤post,get敏感数据
5. * by bbs.it-home.org
6. */
8. if (get_magic_quotes_gpc()) {
9. $_GET = stripslashes_array($_GET);
10. $_POST = stripslashes_array($_POST);
11. }
13. function stripslashes_array(&$array) {
14. while(list($key,$var) = each($array)) {
15. if ($key != 'argc' && $key != 'argv' && (strtoupper($key) != $key || ''.intval($key) == "$key")) {
16. if (is_string($var)) {
17. $array[$key] = stripslashes($var);
18. }
19. if (is_array($var)) {
20. $array[$key] = stripslashes_array($var);
21. }
22. }
23. }
24. return $array;
25. }
26. //--------------------------
27. // 替换HTML尾标签,为过滤服务
28. //--------------------------
29. function lib_replace_end_tag($str)
30. {
31. if (empty($str)) return false;
32. $str = htmlspecialchars($str);
33. $str = str_replace( '/', "", $str);
34. $str = str_replace("\\", "", $str);
35. $str = str_replace(">", "", $str);
36. $str = str_replace("$str = str_replace("", "", $str);
37. $str = str_replace("", "", $str);
38. $str=str_replace("select","select",$str);
39. $str=str_replace("join","join",$str);
40. $str=str_replace("union","union",$str);
41. $str=str_replace("where","where",$str);
42. $str=str_replace("insert","insert",$str);
43. $str=str_replace("delete","delete",$str);
44. $str=str_replace("update","update",$str);
45. $str=str_replace("like","like",$str);
46. $str=str_replace("drop","drop",$str);
47. $str=str_replace("create","create",$str);
48. $str=str_replace("modify","modify",$str);
49. $str=str_replace("rename","rename",$str);
50. $str=str_replace("alter","alter",$str);
51. $str=str_replace("cas","cast",$str);
52. $str=str_replace("&","&",$str);
53. $str=str_replace(">",">",$str);
54. $str=str_replace("$str=str_replace(" ",chr(32),$str);
55. $str=str_replace(" ",chr(9),$str);
56. $str=str_replace(" ",chr(9),$str);
57. $str=str_replace("&",chr(34),$str);
58. $str=str_replace("'",chr(39),$str);
59. $str=str_replace("
    ",chr(13),$str);
60. $str=str_replace("''","'",$str);
61. $str=str_replace("css","'",$str);
62. $str=str_replace("CSS","'",$str);
64. return $str;
65. }

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