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register_action.php
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register_action.php
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<meta charset="utf-8">
<?php
// initializing variables
$id = "";
$fname = "";
$lname = "";
$errors = array();
// connect to the database
include 'db_connect.php';
if(!$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;
}
//echo "Success: A proper connection to MySQL was made! The db database is great." . PHP_EOL;
//echo "Host information: " . mysqli_get_host_info($connect) . PHP_EOL;
// REGISTER USER
if (isset($_POST['reg_user'])) {
// receive all input values from the form
$id = mysqli_real_escape_string($connect, $_POST['InputId']);
$fname = mysqli_real_escape_string($connect, $_POST['FirstName']);
$lname = mysqli_real_escape_string($connect, $_POST['LastName']);
$password_1 = mysqli_real_escape_string($connect, $_POST['InputPassword']);
$password_2 = mysqli_real_escape_string($connect, $_POST['RepeatPassword']);
// form validation: ensure that the form is correctly filled ...
// by adding (array_push()) corresponding error unto $errors array
if (empty($id)) { array_push($errors, "ID is required"); }
if (empty($fname)) { array_push($errors, "First name is required"); }
if (empty($lname)) { array_push($errors, "Last name is required"); }
if (empty($password_1)) { array_push($errors, "Password is required"); }
if ($password_1 != $password_2) {
array_push($errors, "The two passwords do not match");
}
// first check the database to make sure
// a user does not already exist with the same username and/or email
$user_check_query = "SELECT * FROM user WHERE id='$id' LIMIT 1";
$result = mysqli_query($connect, $user_check_query);
$user = mysqli_fetch_assoc($result);
if ($user) { // if user exists
array_push($errors, "Same ID already exists");
}
// Finally, register user if there are no errors in the form
if (count($errors) == 0) {
$password = md5($password_1);//encrypt the password before saving in the database
$query = "INSERT INTO user VALUES ('$id', '$fname', '$lname', '$password')";
mysqli_query($connect, $query);
header('location: login.php');
}
else include 'errors.php';
}
?>