我不确定出了什么问题,一切似乎都没问题。
警告: mysqli_stmt :: bind_param():类型定义字符串中的元素数与第88行上的绑定变量数不匹配
<?php
error_reporting(E_ALL);
ini_set('display_errors', 1);
include_once 'db_connect.php';
include_once 'ex-config.php';
$error_msg = "";
if (isset($_POST['username'], $_POST['email'], $_POST['p'])) {
// Sanitize and validate the data passed in
$username = filter_input(INPUT_POST, 'username', FILTER_SANITIZE_STRING);
$email = filter_input(INPUT_POST, 'email', FILTER_SANITIZE_EMAIL);
$email = filter_var($email, FILTER_VALIDATE_EMAIL);
if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
// Not a valid email
$error_msg .= '<p class="error">The email address you entered is not valid</p>';
}
$password = filter_input(INPUT_POST, 'p', FILTER_SANITIZE_STRING);
if (strlen($password) != 128) {
// The hashed pwd should be 128 characters long.
// If it's not, something really odd has happened
$error_msg .= '<p class="error">Invalid password configuration.</p>';
}
// Username validity and password validity have been checked client side.
// This should should be adequate as nobody gains any advantage from
// breaking these rules.
//
$prep_stmt = "SELECT id FROM members WHERE email = ? LIMIT 1";
$stmt = $mysqli->prepare($prep_stmt);
// check existing email
if ($stmt) {
$stmt->bind_param('s', $email);
$stmt->execute();
$stmt->store_result();
if ($stmt->num_rows == 1) {
// A user with this email address already exists
$error_msg .= '<p class="error">A user with this email address already exists.</p>';
$stmt->close();
}
$stmt->close();
} else {
$error_msg .= '<p class="error">Database error Line 39</p>';
$stmt->close();
}
// check existing username
$prep_stmt = "SELECT id FROM members WHERE username = ? LIMIT 1";
$stmt = $mysqli->prepare($prep_stmt);
if ($stmt) {
$stmt->bind_param('s', $username);
$stmt->execute();
$stmt->store_result();
if ($stmt->num_rows == 1) {
// A user with this username already exists
$error_msg .= '<p class="error">A user with this username already exists</p>';
$stmt->close();
}
$stmt->close();
} else {
$error_msg .= '<p class="error">Database error line 55</p>';
$stmt->close();
}
// TODO:
// We'll also have to account for the situation where the user doesn't have
// rights to do registration, by checking what type of user is attempting to
// perform the operation.
if (empty($error_msg)) {
// Create hashed password using the password_hash function.
// This function salts it with a random salt and can be verified with
// the password_verify function.
$password = password_hash($password, PASSWORD_BCRYPT);
// Insert the new user into the database
if ($insert_stmt = $mysqli->prepare("INSERT INTO members (username, email, password) VALUES (?, ?, ?)")) {
$insert_stmt->bind_param('ssss', $username, $email, $password); // THIS IS LINE 88
// Execute the prepared query.
if (! $insert_stmt->execute()) {
// header('Location: ../error.php?err=Registration failure: INSERT');
// exit;
trigger_error("there was an error....".$mysqli->error, E_USER_WARNING);
}
}
else (header('Location: ../register_success.php'));
exit;
}
}
来源:http://www.wikihow.com/Create-a-Secure-Login-Script-in-PHP-and-MySQL
答案 0 :(得分:4)
bind_param('ssss', $username, $email, $password);
^^^^ ^ ^ ^
|||| | | |
4 parameters 1 2 3 4?
4!== 3
答案 1 :(得分:-1)
我想如果删除's'可以解决您的问题:
$insert_stmt = $mysqli->prepare("INSERT INTO members (username, email, password) VALUES (?, ?, ?)")) {
$insert_stmt->bind_param('sss', $username, $email, $password); // THIS IS LINE 88