";
//var_dump($grupos);exit;
$chaves = array_keys($grupos);
sort($chaves);
//echo count($chaves);exit;
$arvore = array();
foreach($chaves as $chave){
	//echo $chave."\n";
	$hs = explode("/",$chave);
	//echo count($hs);
	$d = $hs;
	array_shift($d);
	if(array_key_exists(0,$hs) && array_key_exists($hs[0],$arvore)){
		$arvore[$hs[0]] = array_merge($arvore[$hs[0]],noi($d,$arvore[$hs[0]]));
	}
	else{
		$arvore[$hs[0]] = noi($d,array());
	}
}
//var_dump($arvore);
//exit;
$final = array(
		"layers"=>$layers,
		"arvore"=>$arvore
);
error_reporting(0);
ob_end_clean();
if(extension_loaded('zlib')){
	ob_start('ob_gzhandler');
}
header("Content-type: text/html");
echo json_encode($final,true);
if(extension_loaded('zlib')){
	ob_end_flush();
}

//echo json_encode($novalinha,true);
//echo "{".implode($novalinha,",")."}";
//echo "[".$novalinha[0]."]";
function noi($n,$l){
	global $layers;
	//var_dump($n);
	$d = $n;
	array_shift($d);
	//echo count($n);
	if(count($n) > 1){
		if(array_key_exists(0,$n) && array_key_exists($n[0],$l)){
			if(is_array($n[1])){
				$l[$n[0]] = array_merge($l[$n[0]],$n[1]);
			}
			else{
				$l[$n[0]] = $l[$n[0]];
			}
		}
		else{
			$l[$n[0]] = $n[1];
		}
		$l[$n[0]] = noi($d,$l);
		return $l;
	}
	//$n[1] = $layers[$n[0]];
	return $n;
}
function converte($texto)
{
	//if (!mb_detect_encoding($texto,"UTF-8",false))
	//{
		$texto = mb_convert_encoding($texto,"ISO-8859-1","AUTO");
	//}
	return $texto;
}
?>