<?php
/**
* Violin example. Errors for a specific field.
*
* Simply getting a list of errors for a specific field that
* occured while trying to validate the data passed in
* against the rules given.
*/
require '../../vendor/autoload.php';
use Violin\Violin;
$v = new Violin();
$v->validate(['username' => ['dalegarrett1234567890', 'required|alpha|min(3)|max(20)'], 'email' => ['dale.codecourse.com', 'required|email']]);
var_dump($v->errors()->get('username'));
// Array of all 'username' errors.
<?php
/**
* Violin example. Checking and getting first error.
*
* This checks a specific field has an error, and then outputs
* the first error that occured for that field. This is most
* likely what you'd use in a real life situation within
* your HTML form.
*/
require '../../vendor/autoload.php';
use Violin\Violin;
$v = new Violin();
$v->validate(['username' => ['dalegarrett1234567890', 'required|alpha|min(3)|max(20)'], 'email' => ['dale.codecourse.com', 'required|email']]);
if ($v->errors()->has('email')) {
// Check if any errors exist for 'email'.
echo $v->errors()->first('email');
// First 'email' error (string).
}
<?php
/**
* Violin example. Basic validation, two arrays.
*
* This shows basic validation using two arrays, one for data,
* and one for the ruleset. This is useful if you'd like to
* extract the rules to a seperate class or variable.
*/
require '../vendor/autoload.php';
use Violin\Violin;
$v = new Violin();
$data = ['username' => 'dale', 'email' => '*****@*****.**', 'password' => 'ilovecats', 'password_confirm' => 'ilovecats'];
$rules = ['username' => 'required|alpha|min(3)|max(20)', 'email' => 'required|email', 'password' => 'required', 'password_confirm' => 'required|matches(password)'];
$v->validate($data, $rules);
if ($v->passes()) {
// Passed
} else {
var_dump($v->errors()->all());
}
if (!$auth->isLoggedIn()) {
header("Location: index.php");
die;
}
if (!empty($_POST)) {
// keep track validation errors
$usernameError = null;
$passwordError = null;
$valid = true;
// keep track post values
$username = $_POST['username'];
$password = $_POST['password'];
$v = new Violin();
$v->validate(['username' => [$username, 'required|alpha|min(3)|max(20)'], 'password' => [$password, 'required|alpha|min(3)']]);
if (!$v->passes()) {
$usernameError = $v->errors()->get('username')[0];
$passwordError = $v->errors()->get('password')[0];
$valid = false;
}
$options = ["cost" => 12];
$hashedPassword = password_hash($password, PASSWORD_BCRYPT, $options);
// insert data
if ($valid) {
$pdo = Database::connect();
$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$sql = "INSERT INTO user (username, password) values(?, ?)";
$query = $pdo->prepare($sql);
$query->execute(array($username, $hashedPassword));
Database::disconnect();
header("Location: index.php");
}
