Smopp_v2/api/models/AccountModel.php

<?php

namespace app\models;

use yii\base\Model;
use app\models\entity\Accounts;

class AccountModel extends Model
{
    public function OnlineAccountCheck($last_seen, $timeout_seconds = 60)
    {
        //var_dump($last_seen);
        $last_seen = date($last_seen);
        $time = (time()-strtotime($last_seen));
        //$date1 = date('d.m.Y H:i', strtotime($last_seen_mobile));
        if ($time <= $timeout_seconds)
            return true;
        return false;
    }
       
}