Msieprawski\ResourceTable\Generators\Collection::addColumn PHP 메소드

    public function addColumn(array $data)
    {
        $columnValidation = $this->_validateColumn($data);
        if (is_string($this->_validateColumn($data))) {
            throw new CollectionException('Invalid column data. ' . $columnValidation);
        }
        $this->_columns[] = $data;
        return $this;
    }