source: database/seeds/RolesPermissionsTableSeeder.php

<?php

use Illuminate\Database\Seeder;

class RolesPermissionsTableSeeder extends Seeder
{
        /**
         * Run the database seeds.
         *
         * @return void
         */
        public function run()
        {
                DB::table('roles_permissions')->insert([
                        // Admin
                        ["role_id" => 1, "permission_id" => 1],
                        ["role_id" => 1, "permission_id" => 2],
                        ["role_id" => 1, "permission_id" => 3],
                        ["role_id" => 1, "permission_id" => 4],
                        ["role_id" => 1, "permission_id" => 5],
                        ["role_id" => 1, "permission_id" => 6],
                        ["role_id" => 1, "permission_id" => 7],
                        ["role_id" => 1, "permission_id" => 8],
                        ["role_id" => 1, "permission_id" => 9],
                        ["role_id" => 1, "permission_id" => 10],
                        ["role_id" => 1, "permission_id" => 11],
                        ["role_id" => 1, "permission_id" => 12],
                        ["role_id" => 1, "permission_id" => 13],
                        ["role_id" => 1, "permission_id" => 14],
                        ["role_id" => 1, "permission_id" => 15],
                        ["role_id" => 1, "permission_id" => 16],
                        ["role_id" => 1, "permission_id" => 17],
                        ["role_id" => 1, "permission_id" => 18],
            ["role_id" => 1, "permission_id" => 19],
            ["role_id" => 1, "permission_id" => 20],
            ["role_id" => 1, "permission_id" => 21],
            ["role_id" => 1, "permission_id" => 22],

                        // Editor
                        ["role_id" => 2, "permission_id" => 3],
                        ["role_id" => 2, "permission_id" => 4],
                        ["role_id" => 2, "permission_id" => 5],
                        ["role_id" => 2, "permission_id" => 6],
                        ["role_id" => 2, "permission_id" => 7],
                        ["role_id" => 2, "permission_id" => 8],
                        ["role_id" => 2, "permission_id" => 9],
                        ["role_id" => 2, "permission_id" => 10],
                        ["role_id" => 2, "permission_id" => 11],
                        ["role_id" => 2, "permission_id" => 12],
                        ["role_id" => 2, "permission_id" => 13],
                        ["role_id" => 2, "permission_id" => 14],

                        // Author
                        ["role_id" => 3, "permission_id" => 3],
                        ["role_id" => 3, "permission_id" => 7],
                        ["role_id" => 3, "permission_id" => 9],
                        ["role_id" => 3, "permission_id" => 11],
                        ["role_id" => 3, "permission_id" => 13],

                        // Contributor
                        ["role_id" => 4, "permission_id" => 3],
                        ["role_id" => 4, "permission_id" => 9],
                        ["role_id" => 4, "permission_id" => 11],
                        ["role_id" => 4, "permission_id" => 13],
                ]);
        }
}