';
		$ch = curl_init();
		curl_setopt($ch, CURLOPT_URL, $url);
		curl_setopt($ch, CURLOPT_HEADER, false);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
		curl_setopt($ch, CURLOPT_HTTPHEADER, [ "Authorization: Bearer {$token}", "Content-type: application/json" ]);
		$data = curl_exec($ch);
		curl_close($ch);
		
		if (!empty($cache_location) && ($data != "{\"authentication\":\"basic\"}"))
		{
			if (!file_exists(dirname($cache_location)))
			{
				mkdir(dirname($cache_location), 0777, true);
			}
			
			file_put_contents($cache_location, $data);
		}
	}
	
	if (!empty($data))
	{
		if ($diffs_redirect || $cross_mode)
		{
			$json = json_decode($data, true);
			if ($legacy_mode)
			{
				if (!empty($json[0]["beatmapset_id"]))
				{
					$json["beatmapset"] = array("id" => $json[0]["beatmapset_id"]);
				}
			}
			if (!empty($json["beatmapset"]["id"]))
			{
				$beatmapset = $json["beatmapset"]["id"];
				if ($cross_mode)
				{
					echo $beatmapset;
					exit(0);
				}
				else if ($diffs_redirect)
				{
					header("Location: ../f/" . strval($beatmapset));
				}
			}
		}
		
		header("Content-type: application/json");
		if ($filter_diffs)
		{
			$output = array(
				"id" => $beatmapset,
				"artist" => "",
				"title" => "",
				"creator" => "",
				"beatmaps" => [],
			);
			
			$modes = array(
				"0" => "osu",
				"1" => "taiko",
				"2" => "fruits",
				"3" => "mania",
			);
			
			$temp_beatmaps = array();
			$json = json_decode($data, true);
			foreach ($json as $map)
			{
				if (!empty($map["beatmap_id"]) && 
					!empty($map["approved"]) && 
					!empty($map["difficultyrating"]) && 
					!empty($map["artist"]) && 
					!empty($map["title"]) &&
					!empty($map["version"]) &&
					!empty($map["max_combo"]))
				{
					$output["artist"] = $map["artist"];
					$output["title"] = $map["title"];
					$output["creator"] = $map["creator"];
					
					$map_output = array(
						"id" => intval($map["beatmap_id"]),
						"ranked" => intval($map["approved"]),
						"difficulty_rating" => floatval($map["difficultyrating"]),
						"version" => $map["version"],
						"artist" => $map["artist"],
						"title" => $map["title"],
						"creator" => $map["creator"],
						"max_combo" => $map["max_combo"],
					);
					
					if (in_array($map["mode"], array_keys($modes))) // v2 compliance
					{
						$map_output["mode"] = $modes[$map["mode"]];
					}
					
					$temp_beatmaps[] = $map_output;
				}
			}
			
			usort($temp_beatmaps, function($a, $b) {
				return $a["difficulty_rating"] > $b["difficulty_rating"] ? 1 : ($a["difficulty_rating"] < $b["difficulty_rating"] ? -1 : 0);
			});
			$output["beatmaps"] = $temp_beatmaps;
			
			echo json_encode($output);
		}
		else
		{
			echo $data;
		}
	}
	else
	{
		echo json_encode([]);
	}
	
	
}
else
{
	echo "No authentication method was defined.";
}