function ValidateRegisterForm($post)
{
if (validateFirstName($post['firstName']) && validateLastName($post['lastName']) && validateEmail($post['email']) && validatePassword($post['password']) && validateConfirmPassword($post['confirmPassword']) && validateGender($post['gender']) && validateContactNumber($post['contactNumber']) && validateAddress($post['address'])) {
return true;
} else {
return false;
}
}
//
$userName = (isset($_POST['username'])) ? $_POST['username'] : '';
$firstName = (isset($_POST['first_name'])) ? $_POST['first_name'] : '';
$lastName = (isset($_POST['first_name'])) ? $_POST['last_name'] : '';
$emailAddress = (isset($_POST['email'])) ? $_POST['email'] : '';
//
$userMessage = '';
$firstMessage = '';
$lastMessage = '';
$emailMessage = '';
//
validateUserName($userName, $userMessage);
validateFirstName($firstName,$firstMessage);
validateLastName($lastName, $lastMessage);
validateEmail($emailAddress, $emailMessage);
echo $userMessage . '<br />';
echo $firstMessage . '<br />';
echo $lastMessage . '<br />';
echo $emailMessage . '<br />';
}
// • username: alphanumeric and no longer than 15 characters long
function validateUserName($name, &$message) {
$message = '';
$validData = ctype_alnum($name) && (strlen($name) <= 15);
if ($validData) {
$message = "$name is valid user name";
} else {
<meta charset="ISO-8859-1">
<title>Registration for ClassBash</title>
</head>
<body>
<h1>ClassBash new user sign-up</h1>
<?php
// define variables and set to empty values
$firstName = $lastName = $email = $gender = "";
$lastNameError = "";
if ($_SERVER["REQUEST_METHOD"] == "POST") {
$firstName = stripInput($_POST["firstName"]);
$lastName = stripInput($_POST["lastName"]);
$email = stripInput($_POST["email"]);
$gender = stripInput($_POST["gender"]);
$lastNameError = validateLastName($lastName);
}
function stripInput($data)
{
$data = trim($data);
$data = stripslashes($data);
$data = htmlspecialchars($data);
return $data;
}
function validateLastName($data)
{
if (strlen($data) <= 1) {
$error = "Last name too short";
} else {
$error = "";
}
