How does the \Magento\Framework\DataObject::__call() magic method work?

dmitry_fedyuk · April 21, 2016, 4:59pm

magento/magento2/blob/ebba9e7/lib/internal/Magento/Framework/DataObject.php#L378-L398


public function __call($method, $args)
{
    switch (substr($method, 0, 3)) {
        case 'get':
            $key = $this->_underscore(substr($method, 3));
            $index = isset($args[0]) ? $args[0] : null;
            return $this->getData($key, $index);
        case 'set':
            $key = $this->_underscore(substr($method, 3));
            $value = isset($args[0]) ? $args[0] : null;
            return $this->setData($key, $value);
        case 'uns':
            $key = $this->_underscore(substr($method, 3));
            return $this->unsetData($key);
        case 'has':
            $key = $this->_underscore(substr($method, 3));
            return isset($this->_data[$key]);
    }
    throw new \Magento\Framework\Exception\LocalizedException(
        new \Magento\Framework\Phrase('Invalid method %1::%2', [get_class($this), $method])
    );