我是MySQL和PHP的新手。我一直在做一个像某种博客一样的项目。但我听说老的MySQL很脆弱或容易被破解。所以我被建议使用PDO。但我很困惑如何将此代码转换为PDO。请帮帮我。请帮我将PDO从旧的mysql转换为此代码
<?php
//Start session
session_start();
//Include database connection details
require_once('scripts/dblog.php');
//Array to store validation errors
$errmsg_arr = array();
//Validation error flag
$errflag = false;
//Function to sanitize values received from the form. Prevents SQL injection
function clean($str) {
$str = @trim($str);
if(get_magic_quotes_gpc()) {
$str = stripslashes($str);
}
return mysql_real_escape_string($str);
}
//Sanitize the POST values
$username = clean($_POST['username']);
$password = clean($_POST['password']);
//Input Validations
if($username == '') {
$errmsg_arr[] = 'Username missing';
$errflag = true;
}
if($password == '') {
$errmsg_arr[] = 'Password missing';
$errflag = true;
}
//If there are input validations, redirect back to the login form
if($errflag) {
$_SESSION['ERRMSG_ARR'] = $errmsg_arr;
session_write_close();
header("location: login.php");
exit();
}
//Create query
$qry="SELECT * FROM member WHERE BINARY username='$username' AND BINARY password='$password'";
$result=mysql_query($qry);
//Check whether the query was successful or not
if($result) {
if(mysql_num_rows($result) > 0) {
//Login Successful
session_regenerate_id();
$member = mysql_fetch_assoc($result);
$_SESSION['SESS_MEMBER_ID'] = $member['mem_id'];
$_SESSION['SESS_FIRST_NAME'] = $member['username'];
$_SESSION['SESS_LAST_NAME'] = $member['password'];
session_write_close();
header("location: post.php");
exit();
} else {
//Login failed
$errmsg_arr[] = '<div class="alert alert-error">user name and password not found</div>';
$errflag = true;
if($errflag) {
$_SESSION['ERRMSG_ARR'] = $errmsg_arr;
session_write_close();
header("location: login.php");
exit();
}
}
} else {
die("Query failed");
}
?>
什么帮助你实际上是要求?为你重写这段代码? – 2013-04-30 14:08:24
如果有可能...如果不是,那么至少告诉我使用该代码是否过时并容易破解? – 2013-04-30 14:15:22