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AbstractEntityHelper.php
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AbstractEntityHelper.php
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<?php
/**
* @author Stefano Torresi (http://stefanotorresi.it)
* @license See the file LICENSE.txt for copying permission.
* ************************************************
*/
namespace MyBase\View\Helper;
use MyBase\DataMapper;
use Zend\View\Helper\AbstractHelper as ZendAbstractHelper;
abstract class AbstractEntityHelper extends ZendAbstractHelper
implements DataMapper\MapperAwareInterface
{
use DataMapper\MapperAwareTrait;
/**
* @var string
*/
protected $partial;
/**
* @param DataMapper\MapperInterface $mapper
*/
public function __construct(DataMapper\MapperInterface $mapper)
{
$this->setMapper($mapper);
}
/**
* @param string|null $partial
* @return $this
*/
public function __invoke($partial = null)
{
if ($partial === null) {
return $this;
}
$this->partial = $partial;
return $this->render();
}
/**
* @return string
*/
public function __toString()
{
try {
$output = $this->render();
} catch (\Exception $e) {
$output = sprintf('An error occurred during %s rendering.', get_called_class());
}
return $output;
}
/**
* @return string
*/
abstract public function render();
}