AlterDvsPagesForMiddleware::up PHP Method

    public function up()
    {
        Schema::table('dvs_pages', function ($table) {
            $table->text('middleware')->nullable()->after('footer');
        });
        $this->copyData('before', 'middleware');
        Schema::table('dvs_pages', function ($table) {
            $table->dropColumn('before');
        });
        Schema::table('dvs_pages', function ($table) {
            $table->dropColumn('after');
        });
    }