llamando a una matriz de una función a otra

/* get breadcrumb function */
function getbreadcrumb($arraycount,$parentmenuid){
    
    /* get the current level menu */
    global $database_eggbox, $eggbox, $urlmenu_id;
    $query_last_breadcrumb = "select * from menu where menu_id = $parentmenuid order by menu_display_order";
    $last_breadcrumb = mysql_query($query_last_breadcrumb, $eggbox) or die(mysql_error());
    $row_last_breadcrumb = mysql_fetch_assoc($last_breadcrumb);
    $totalRows_last_breadcrumb = mysql_num_rows($last_breadcrumb);
    
    $array_menu[$arraycount][0] = $row_last_breadcrumb['menu_id'];
    $array_menu[$arraycount][1] = $row_last_breadcrumb['page_id'];
    $array_menu[$arraycount][2] = $row_last_breadcrumb['menu_text'];
    $array_menu[$arraycount][3] = $row_last_breadcrumb['menu_parent_menu_id'];
    
    if($array_menu[$arraycount][0] != "") {
        getbreadcrumb($arraycount+1,$array_menu[$arraycount][3]);
    } else {
        
        if($array_menu[$arraycount][2] != "home") {
            /// going to output the first crumb as home
        } else {
            /// else >>
        }
    }
    
    echo $array_menu[$arraycount][2] . " | ";
    
} // end function

/* get menu functions */
function getmenu($menu_level){
        
    /* get the top most level menu */
    global $database_eggbox, $eggbox, $urlmenu_id, $array_menu;
    $query_top_menu = "select * from menu where menu_parent_menu_id = 0 order by menu_display_order";
    $top_menu = mysql_query($query_top_menu, $eggbox) or die(mysql_error());
    $row_top_menu = mysql_fetch_assoc($top_menu);
    $totalRows_top_menu = mysql_num_rows($top_menu);
    
    if ($menu_level <> 0) {
        echo $array_menu;

......