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login_action.php
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login_action.php
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<?php
session_start();
// initializing variables
$id = "";
$password = "";
$errors = array();
// connect to the database
include 'db_connect.php';
if(!$connect) {
echo "Error: Unable to connect to MySQL." . PHP_EOL;
echo "Debugging errno: " . mysqli_connect_errno() . PHP_EOL;
echo "Debugging error: " . mysqli_connect_error() . PHP_EOL;
exit;
}
if (isset($_POST['login_user'])) {
$id = mysqli_real_escape_string($connect, $_POST['InputId']);
$password = mysqli_real_escape_string($connect, $_POST['InputPassword']);
if (empty($id)) {
array_push($errors, "ID is required");
}
if (empty($password)) {
array_push($errors, "Password is required");
}
if (count($errors) == 0) {
$password = md5($password);
$query = "SELECT * FROM user WHERE id='$id' AND password='$password'";
$results = mysqli_query($connect, $query);
if (mysqli_num_rows($results) == 1) {
$_SESSION['id'] = $id;
$_SESSION['success'] = "You are now logged in";
header('location: index.php');
}else {
array_push($errors, "Wrong username/password combination");
}
}
if (count($errors) > 0) include 'errors.php';
}
?>