}
if (empty($_POST["lastname"])) {
$databaseflag = false;
$lastnameErr = "Lastname is required";
} else {
$lastname = errorcheck($_POST["lastname"]);
if (!preg_match("/^[a-zA-Z ]*\$/", $Lastname)) {
$databaseflag = false;
$lastnameErr = "Only letters and white spaces are allowed";
}
}
if (empty($_POST["email"])) {
$databaseflag = false;
$emailErr = "Email is required";
} else {
$email = errorcheck($_POST["email"]);
if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
$databaseflag = false;
$emailErr = "Invalid email format";
}
}
if (empty($_POST["password"])) {
$databaseflag = false;
$passwordErr = "Password is required";
}
if (empty($_POST["gender"])) {
$databaseflag = false;
$genderErr = "Gender is required";
}
$_SESSION["firstnameErr"] = $firstnameErr;
$_SESSION["lastnameErr"] = $lastnameErr;
<div id="left-column"><?php
include 'inc/menu.php';
?>
</div>
<div id="center-column">
<div class="top-bar">
<h1>Mr. Menu - Login</h1>
</div><br />
<div id="lista">
<?php
if (!$authorizer->sessionSet()) {
//logica della pagina (la solita)
if ($_POST['_check']) {
if ($form_errors = errorcheck()) {
form($form_errors);
} else {
welcome();
}
} else {
form();
}
} else {
die("You are already logged in");
}
function form($errors = '')
{
if ($errors) {
$error_text .= '<p class="error">';
$error_text .= implode('</p><p class="error">', $errors);