code: public function getPath 
  	(
  		Neuron_GameServer_Map_Location $start, 
  		Neuron_GameServer_Map_Location $end
  	)
  	{
  		// Start here :-)
  		$x1 = $start[0];
  		$y1 = $start[1];
  		
  		$x2 = $end[0];
  		$y2 = $end[1];
  		
  		if (!$this->isPassable ($x2, $y2))
  		{
  			return false;
  		}
  		
  		$astar = $this->astar ($start, $end);
  
  		//var_dump ($astar);
  		//exit;
  
  		return $astar;
  	}
docs: Calculate and return the path