Answers for "remove column from existing table in laravel migration"

laravel migration remove column

public function up()
{
  Schema::table('table', function($table) {
    $table->dropColumn('column_name');
  });
}

drop column table in migration if exist in laravel

Schema::table('users', function (Blueprint $table) {
     if (Schema::hasColumn('users', 'phone')) {
              $table->dropColumn('phone');
		}
});