php-flarum/src/Core/Seeders/PermissionsTableSeeder.php

<?php  namespace Flarum\Core\Seeders;

use Illuminate\Database\Seeder;
use Flarum\Core\Models\Permission;

class PermissionsTableSeeder extends Seeder
{

    /**
     * Run the database seeds.
     *
     * @return void
     */
    public function run()
    {
        Permission::truncate();

        $permissions = [

            // Guests can view the forum
            [2, 'forum.view'],

            // Members can create and reply to discussions + edit their own stuff
            [3, 'forum.startDiscussion'],
            [3, 'discussion.reply'],

            // Moderators can edit + delete stuff and suspend users
            [4, 'discussion.delete'],
            [4, 'discussion.rename'],
            [4, 'post.delete'],
            [4, 'post.edit'],
            [4, 'user.suspend'],

        ];
        foreach ($permissions as &$permission) {
            $permission = [
                'group_id'   => $permission[0],
                'permission' => $permission[1]
            ];
        }
        Permission::insert($permissions);
    }
}