getExtensionConfig($this->getAlias()); //Load configuration $configuration = $this->getConfiguration($configs, $container); //Process the configuration to get merged config $config = $this->processConfiguration($configuration, $configs); //Detect when no user configuration is provided if ($configs === [[]]) { //Prepend default config $container->prependExtensionConfig($this->getAlias(), $config); } //Save configuration in parameters $container->setParameter($this->getAlias(), $config); //Store flattened array in parameters //XXX: don't flatten rapsys_air.site.png key which is required to be an array foreach($this->flatten($config, $this->getAlias(), 10, '.', ['rapsys_air.site.png']) as $k => $v) { $container->setParameter($k, $v); } } /** * {@inheritdoc} */ public function load(array $configs, ContainerBuilder $container) { } /** * {@inheritdoc} */ public function getAlias() { return 'rapsys_air'; } /** * The function that parses the array to flatten it into a one level depth array * * @param $array The config values array * @param $path The current key path * @param $depth The maxmium depth * @param $sep The separator string * @param $skip The skipped paths array */ protected function flatten($array, $path = '', $depth = 10, $sep = '.', $skip = []) { //Init res $res = array(); //Detect numerical only array //count(array_filter($array, function($k) { return !is_numeric($k); }, ARRAY_FILTER_USE_KEY)) == 0 //array_reduce(array_keys($array), function($c, $k) { return $c += !is_numeric($k); }, 0) //Flatten hashed array until depth reach zero if ($depth && is_array($array) && $array !== [] && !in_array($path, $skip)) { foreach($array as $k => $v) { $sub = $path ? $path.$sep.$k:$k; $res += $this->flatten($v, $sub, $depth - 1, $sep, $skip); } //Pass scalar value directly } else { $res[$path] = $array; } //Return result return $res; } }