nexusphp/app/Models/Setting.php

<?php

namespace App\Models;

use Illuminate\Support\Arr;
use Nexus\Database\NexusDB;

class Setting extends NexusModel
{
    protected $fillable = ['name', 'value'];

    public static function get($name = null, $default = null)
    {
        $settings = NexusDB::remember("nexus_settings_in_laravel", 600, function () {
            return self::getFromDb();
        });
        if (is_null($name)) {
            return $settings;
        }
        return Arr::get($settings, $name, $default);
    }

    public static function getFromDb($name = null, $default = null)
    {
        $rows = self::query()->get(['name', 'value']);
        $result = [];
        foreach ($rows as $row) {
            $value = $row->value;
            if (!is_null($value)) {
                $arr = json_decode($value, true);
                if (is_array($arr)) {
                    $value = $arr;
                }
            }
            Arr::set($result, $row->name, $value);
        }
        if (is_null($name)) {
            return $result;
        }
        return Arr::get($result, $name, $default);
    }

}