function login()
{
if (checkUserNameExist($_POST["usernameLogin"], $_POST["passwordLogin"])) {
checkAdmin($_POST["usernameLogin"]);
$_SESSION["name"] = $_POST["usernameLogin"];
$_SESSION["password"] = $_POST["passwordLogin"];
$_SESSION["login"] = true;
$version = "private";
return $version;
} else {
errorAlert("The password is incurrect or the user name does not exist!");
}
}
function validationCheck()
{
global $link;
if ($_POST["name"] == "username") {
if (empty($_POST["value"])) {
echo "The user name cannot be empty!";
} else {
if (strstr($_POST["value"], " ")) {
echo "The user name cannot contain white space!";
} else {
if (checkUserNameExist($_POST["value"])) {
echo "This user name already exists!";
}
}
}
} else {
if ($_POST["name"] == "password" || $_POST["name"] == "passwordCheak") {
if (empty($_POST["valueA"])) {
echo "The password cannot be empty!";
} else {
if ($_POST["valueA"] != $_POST["valueB"]) {
echo "Entered passwords does not match!";
} else {
if (strstr($_POST["valueA"], ' ')) {
echo "The password cannot contain white space!";
}
}
}
} else {
if ($_POST["name"] == "email") {
if (empty($_POST["value"])) {
echo "The email address cannot be empty!";
} else {
if (!strstr($_POST["value"], "@")) {
echo "The email address is not correct!";
}
}
} else {
if ($_POST["name"] == "city") {
if (empty($_POST["value"])) {
echo "The city cannot be empty!";
}
} else {
if ($_POST["name"] == "usernameLogin") {
if (empty($_POST["value"])) {
echo "The user name cannot be empty!";
} else {
if (strstr($_POST["value"], " ")) {
echo "The user name cannot contain white space!";
}
}
} else {
if ($_POST["name"] == "passwordLogin") {
if (empty($_POST["value"])) {
echo "The password cannot be empty!";
} else {
if (strstr($_POST["value"], " ")) {
echo "The password cannot contain white space!";
}
}
}
}
}
}
}
}
}
