Bad Example

search.php

<?php
if (empty($data["username"])) {
    throw new \Exception("Username is required.");
}
if (empty($data["name"])) {
    $first = $data["first_name"] ?? '';
    $last = $data["last_name"] ?? '';
    $data["name"] = "$first $last";
}
$params = new SearchParams($data['username'], $data['name']);
$model = new User();
$result = $model->search($params);