/**
* Writes the given item to the given writer if the no filter is given or the filter returns `true`.
*
* @param mixed $item
* @param WriterPipe $pipe
*
* @return bool `true` if the item has been written, `false` if not.
*/
protected function writeItem($item, WriterPipe $pipe)
{
if ($pipe->getFilter() === null || $pipe->getFilter()->filter($item) === true) {
$pipe->getWriter()->writeItem($item);
return true;
}
return false;
}
