Hope This Works

<?php
function moveOrigin($nextID, $targetID, $history, $depth){
    //NextID is the key for the next steps to be made off of.
    $potentials = $Systems[$nextID]["JumpsTo"];
    if(!empty($potentials)){
        if(!in_array($targetID, $potentials)){ //Not at end location, therefore try next location
            $history[] = $nextID;
            $depth++;
            if($depth < 9){
                foreach($potentials as $value){
                    if(!in_array($value, $history)){
                        if(moveOrigin($value, $targetID, $history, $depth) == true){
                            return true;
                        }
                    }
                }
            }else{
                return;
            }
        }else{
            foreach($history as $value){
                include("systems.php");
                $path .= "/".$Systems[array_search($value, $Systems)];
                return true;
            }
        }
    }
}

$origin = 0; //Get starting point
$target = 0; //Get end point
include("systems.php");
$originID = array_search($origin, $Systems);
$targetID = array_search($target, $Systems);

moveOrigin($originID, $targetID, null, 0);
?>