public static function getKnownBranches()

in lib/php/libsdk/SDK/Config.php [135:176]
36 lines of code
10 McCabe index (conditional complexity)

	public static function getKnownBranches() : array
	{/*{{{*/
		if (empty(self::$knownBranches)) {
			$cache_file = "known_branches.txt";
			$deps_path = self::getDepsLocalPath();
			if (!$deps_path) {
					throw new Exception("Couldn't determine dependencies path. Please either switch to the PHP source root or use -d option.");
			}
			$cache = new Cache($deps_path);
			$fetcher = new Fetcher(self::$depsHost, self::$depsPort, self::$depsUriScheme);

			$tmp = $fetcher->getByUri(self::$depsBaseUri . "/series/");
			if (false !== $tmp) {
				$data = array();
				if (preg_match_all(",/packages-(.+)-(v[cs]\d+)-(x86|x64)-(stable|staging)\.txt,U", $tmp, $m, PREG_SET_ORDER)) {
					foreach ($m as $b) {
						if (!isset($data[$b[1]])) {
							$data[$b[1]] = array();
						}

						$data[$b[1]][$b[2]][] = array("arch" => $b[3], "stability" => $b[4]);
					}

					$cache->cachecontent($cache_file, json_encode($data, JSON_PRETTY_PRINT), true);
				}
			} else {
				/* It might be ok to use cached branches list, if a fetch failed. */
				$tmp = $cache->getCachedContent($cache_file, true);
				if (NULL == $tmp) {
					throw new Exception("No cached branches list found");
				}
				$data = json_decode($tmp, true);
			}

			if (!is_array($data) || empty($data)) {
				throw new Exception("Failed to fetch supported branches");
			}
			self::$knownBranches = $data;
		}

		return self::$knownBranches;
	}/*}}}*/