php防止sql注入的代码示例

Function inject_check($sql_str) {return eregi('select|insert|and|or|update|delete|'|/*|*|../|./|union|into|load_file|outfile', $sql_str);}if (inject_check($_SERVER['QUERY_STRING'])==1 or inject_check(file_get_contents("php://input"))==1){//echo "警告 非法访问！";header("Location: Error.php");}复制代码例2，批量过滤post,get敏感数据$_get = stripslashes_array($_get);$_post = stripslashes_array($_post);//数据过滤函数function stripslashes_array(&$array) {while(list($key,$var) = each($array)) {if ($key != 'argc' && $key != 'argv' && (strtoupper($key) != $key || ''.intval($key) == "$key")) {if (is_string($var)) {$array[$key] = stripslashes($var);} // bbs.it-home.orgif (is_array($var)) {$array[$key] = stripslashes_array($var);}}}return $array;}复制代码例3，替换HTML尾标签、为过滤服务。//防止sql注入function lib_replace_end_tag($str){if (empty($str)) return false;$str = htmlspecialchars($str);$str = str_replace( '/', "", $str);$str = str_replace("\", "", $str);$str = str_replace(">", "", $str);$str = str_replace(" $str = str_replace("", "", $str);$str = str_replace("", "", $str);$str=str_replace("select","select",$str);$str=str_replace("join","join",$str);$str=str_replace("union","union",$str);$str=str_replace("where","where",$str);$str=str_replace("insert","insert",$str);$str=str_replace("delete","delete",$str);$str=str_replace("update","update",$str);$str=str_replace("like","like",$str);$str=str_replace("drop","drop",$str);$str=str_replace("create","create",$str);$str=str_replace("modify","modify",$str);$str=str_replace("rename","rename",$str);$str=str_replace("alter","alter",$str);$str=str_replace("cas","cast",$str);$str=str_replace("&","&",$str);$str=str_replace(">",">",$str);$str=str_replace(" $str=str_replace(" ",chr(32),$str);$str=str_replace(" ",chr(9),$str);$str=str_replace(" ",chr(9),$str);$str=str_replace("&",chr(34),$str);$str=str_replace("'",chr(39),$str);$str=str_replace("",chr(13),$str);$str=str_replace("''","'",$str);$str=str_replace("css","'",$str);$str=str_replace("CSS","'",$str);return $str;}复制代码>>> 您可能感兴趣的文章：php防止SQL注入的方法分享防止sql注入与跨站攻击的代码分享(初级实用型)php防sql注入函数mysql_real_escape_string解析php防范sql注入的一些代码收集php防止sql注入的方法解析php 防注入的一段代码(过滤参数)简明易懂的php sql防注入代码php防止sql注入的代码php实现sql防止注入的几种方法一个不错的php通用防注入程序php防止SQL注入的函数