- function inject_check($sql_str) {
- return eregi('select|insert|and|or|update|delete|\\'|\\/\\*|\\*|\\.\\.\\/|\\.\\/|union|into|load_file|outfile', $sql_str);
- }
- function verify_id($id=null) {
- if(!$id) {
- exit('没有提交参数!');
- } elseif(inject_check($id)) {
- exit('提交的参数非法!');
- } elseif(!is_numeric($id)) {
- exit('提交的参数非法!');
- }
- $id = intval($id);
- return $id;
- }
- function str_check( $str ) {
- if(!get_magic_quotes_gpc()) {
- $str = addslashes($str); // 进行过滤
- }
- $str = str_replace("_", "\\_", $str);
- $str = str_replace("%", "\\%", $str);
- return $str;
- }
- function post_check($post) {
- if(!get_magic_quotes_gpc()) {
- $post = addslashes($post);
- }
- $post = str_replace("_", "\\_", $post);
- $post = str_replace("%", "\\%", $post);
- $post = nl2br($post);
- $post = htmlspecialchars($post);
- return $post;
- }
- //该片段来自于http://www.codesnippet.cn/detail/121120137090.html
来源: http://www.codesnippet.cn/detail/121120137090.html