laravel migration change column name

1Schema::table('users', function (Blueprint $table) {
2    $table->renameColumn('from', 'to');
3});

1Schema::table('users', function (Blueprint $table) {
2    $table->string('name', 50)->nullable()->change();
3});

1public function up()
2{
3    Schema::table('sometable', function (Blueprint $table) {
4        $table->text('text')->change();
5    });
6}

1php artisan make:migration add_votes_to_users_table --table=users
2
3php artisan make:migration create_users_table --create=users

1public function down()
2{
3    Schema::table('posts', function (Blueprint $table) {
4        $table->renameColumn('user_id', 'author_ID');
5    });
6}
7

1public function up()
2{
3    Schema::table('posts', function (Blueprint $table) {
4        $table->renameColumn('author_ID', 'user_id');
5    });
6}
7