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login.php
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login.php
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<?php
session_start();
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "signup";
$conn = new mysqli($servername, $username, $password, $dbname);
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
$email = $_POST['email'];
$password = $_POST['password'];
$sql_check_email = "SELECT * FROM registration WHERE email = '$email'";
$result = $conn->query($sql_check_email);
if (!$result) {
echo "Error: " . $sql_check_email . "<br>" . $conn->error;
} else {
if ($result->num_rows > 0) {
$row = $result->fetch_assoc();
$hashed_password = $row['password'];
if (password_verify($password, $hashed_password)) {
$_SESSION['email'] = $email;
header('Location: main.html');
exit;
} else {
echo '<script>';
echo 'alert("Invalid credentials. Please check your email and password.");';
echo 'window.location = "enter.html";';
echo '</script>';
}
} else {
echo '<script>';
echo 'alert("Email not found. Please sign up first.");';
echo 'window.location = "enter.html";';
echo '</script>';
}
}
$conn->close();
?>