fuel/app/classes/model/train.php

```php linenums="1"

array( 'name' => 'Databases', 'quest_group_id' => 6, ), 2 => array( 'name' => 'Field', 'quest_group_id' => 7, ),*/ 1 => array( 'name' => 'Decryption', 'quest_group_id' => 8, ), ); } public static function process($train_string) { if ($train_string) { $train = json_decode($train_string, true); } else $train = array(); for ($i = 1; $i <= 5; $i++) { if (!isset($train[$i]) || !isset($train[$i]['level'])) { $train[$i] = array( 'level' => 1, 'exp' => 0 ); } $train[$i]['exp_next'] = Train::experience($train[$i]['level'] + 1); $train[$i]['wait'] = false; if (isset($train[$i]['last'])) { $train[$i]['wait'] = max(0, $train[$i]['last'] - time() + 6 * 60 * 60 ); } } return $train; } public static function experience($level) { return $level * 5; } public static function add_experience(&$train, $exp) { if (!isset($train['exp_next'])) $train['exp_next'] = Train::experience($train['level'] + 1); $train['exp'] += $exp; while($train['exp'] >= $train['exp_next']) { $train['level'] += 1; $train['exp'] -= $train['exp_next']; $train['exp_next'] = Train::experience($train['level'] + 1); } } public static function save($user_id, $train) { \Hacker::update(array('train' => json_encode($train)), $user_id); } } ``` ?>