29.11.2016 - register.php

<?php
if(isset($_POST["username"])) {
    $username = $_POST["username"];
} else {
    die("Invalid request");
}

if(isset($_POST["password"])) {
    $password = $_POST["password"];
} else {
    die("Invalid request");
}

if(isset($_POST["confirm_password"])) {
    $confirm_password = $_POST["confirm_password"];
} else {
    die("Invalid request");
}

if(isset($_POST["email"])) {
    $email = $_POST["email"];
} else {
    die("Invalid request");
}


$errors = array();

echo "Hello, ".$username."<br>";
echo "Length: ".strlen($username)."<br>";

if(!(strlen($username)>=3 && strlen($username)<=30)) {
    $errors[] = "The username should be between 3 and 30 characters";
}

if(!(strlen($password)>=6 && strlen($password)<=30)) {
    $errors[] = "The password should be between 6 and 30 characters";
    $errors[] = "The password should be between 6 and 30 characters";
}

if($password!=$confirm_password) {
    $errors[] = "The passwords do not match";
}

 if (filter_var($email, FILTER_VALIDATE_EMAIL)==false) {
    $errors[] = "The email is not valid!";
 }

if(count($errors)>0) {
    foreach($errors as $error) {
        echo "ERROR: ".$error."<br>";
    }
} else {
    echo "OK";
}
?>