public function children_pending($bucket = self::DEFAULT_BUCKET)
	{
		return $this->children_running($bucket, true) + $this->work_sets_count($bucket);
	}
public function children_pending($bucket = self::DEFAULT_BUCKET)
	{
		return $this->children_running($bucket, true) + $this->work_sets_count($bucket);
	}
public function children_pending ( $ bucket = self :: DEFAULT_BUCKET ) { return $ this -> children_running ( $ bucket , true ) + $ this -> work_sets_count ( $ bucket ) ; }
Returns the number of pending child items, including running children and
work sets that have not been allocated.  Children running includes those
that have not had their results retrieved yet.

@param int $bucket The bucket to check for pending children items.
@return int Number of pending children items
Returns the number of pending child items including running children and work sets that have not been allocated . Children running includes those that have not had their results retrieved yet .