Backend\ModulesController::revertMigrations PHP Method

    private function revertMigrations($module)
    {
        $migrations = json_decode($module->migrations);
        $module_tables = explode('|', $module->table);
        if (is_array($migrations)) {
            // to run the migration in descending order
            rsort($migrations);
            // Delete all migration entries for the module
            foreach ($migrations as $migration_file) {
                if ($module->vendor) {
                    $migration_filename = app_path("Modules/{$module->vendor}/{$module->alias}/Database/Migrations/{$migration_file}.php");
                } else {
                    $migration_filename = app_path("Modules/{$module->alias}/Database/Migrations/{$migration_file}.php");
                }
                require_once $migration_filename;
                $file = implode('_', array_slice(explode('_', $migration_file), 4));
                $class_name = studly_case($file);
                $class = new $class_name();
                // Run the down method in the migration file
                $class->down();
                DB::table('migrations')->where('migration', $migration_file)->delete();
            }
        }
        // Drop all tables created by the module
        foreach ($module_tables as $module_table) {
            $vendor = Str::lower($module->vendor);
            $sql = "DROP TABLE IF EXISTS mdl_{$vendor}_{$module_table}";
            DB::statement($sql);
        }
    }