php防sql注入程序代码_PHP教程

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");
}

Function inject_check($sql_str) {
    return preg_match('/select|insert|and|or|update|delete|\'|\/\*|\*|\.\.\/|\.\/|union|into|load_file|outfile/i', $sql_str);
}
if (inject_check($_SERVER['QUERY_STRING'])==1 or inject_check(file_get_contents("php://input"))==1){
    //echo "警告 非法访问！";
    header("Location: Error.php");
    exit;
}