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<?php
namespace Tev\Field\Model;
/**
* Null field entity.
*
* This field will be returned if field data could not be loaded.
*/
class NullField extends AbstractField
{
/**
* Constructor.
*
* Initializes required field data to null.
*
* @return void
*/
public function __construct()
{
parent::__construct(array(
'key' => null,
'name' => null
));
}
/**
* Get the value of this field.
*
* Value will be null.
*
* @return null
*/
public function getValue()
{
return null;
}
/**
* Conver this field to string.
*
* @return string The empty string
*/
public function __toString()
{
return '';
}
}