/**
* Set language to display
*
* @param char[] $lang The language for display errors
*
* @return void
*/
public static function setLanguage($lang)
{
self::$lang = $lang;
}
<!DOCTYPE html>
<html>
<head>
<title>Example</title>
</head>
<body>
<?php
error_reporting(E_ALL & ~E_NOTICE);
// FOR CHECKBOX
require_once '../src/EasyCheckData.php';
if (isset($_POST['invia'])) {
$ECD = new EasyCheckData();
$ECD->setVar($_POST['username'], "Username")->isDef()->minLen(6)->maxLen(30);
$ECD->setVar($_POST['email'], "Email")->isDef()->isEmail();
$ECD->setVar($_POST['check'], "Terms")->isChecked();
$ECD->setVar($_POST['age'], "Age")->isDef()->isNumber();
echo implode("<br>", $ECD->getFirstErrors());
}
?>
<form action="" method="post">
<input type="text" name="username" placeholder="Username"><br>
<input type="email" name="email" placeholder="Email"><br>
<input type="checkbox" name="check"> Terms of use<br>
<input type="text" name="age" placeholder="Age"><br>
<input type="submit" name="invia"><br>
</form>
</body>
</html>