Add a skip feature in flatten member function

Set rapsys_air.site.png key to stay the required array

diff --git a/DependencyInjection/RapsysAirExtension.php b/DependencyInjection/RapsysAirExtension.php
index 76729ae136f9738b4b3d65aecba86785b363a266..777a9c145608e923decd749d8ddc85500c8f4b0d 100644 (file)
--- a/DependencyInjection/RapsysAirExtension.php
+++ b/DependencyInjection/RapsysAirExtension.php
@@ -39,7 +39,8 @@ class RapsysAirExtension extends Extension implements PrependExtensionInterface
                $container->setParameter($this->getAlias(), $config);
 
                //Store flattened array in parameters
-               foreach($this->flatten($config, $this->getAlias()) as $k => $v) {
+               //XXX: don't flatten rapsys_air.site.png key which is required to be an array
+               foreach($this->flatten($config, $this->getAlias(), 10, '.', ['rapsys_air.site.png']) as $k => $v) {
                        $container->setParameter($k, $v);
                }
        }
@@ -64,19 +65,21 @@ class RapsysAirExtension extends Extension implements PrependExtensionInterface
         * @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, $sep = '.') {
+       protected function flatten($array, $path = '', $depth = 10, $sep = '.', $skip = []) {
                //Init res
                $res = array();
 
-               //Pass through non hashed or empty array
-               if ($depth && is_array($array) && ($array === [] || array_keys($array) === range(0, count($array) - 1))) {
-                       $res[$path] = $array;
-               //Flatten hashed array
-               } elseif ($depth && is_array($array)) {
+               //Detect numerical only array
+               //count(array_filter($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);
+                               $res += $this->flatten($v, $sub, $depth - 1, $sep, $skip);
                        }
                //Pass scalar value directly
                } else {