Added caching of system node information

Applied optimization found in 2.8 for caching of system node information
ramsey · Jun 16, 2015 · 7fe4350 · jmauerhan · Mar 24, 2016 · fabre-thibaud
1 parent a9d4f93
commit 7fe4350
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/Provider/Node/SystemNodeProvider.php b/src/Provider/Node/SystemNodeProvider.php
@@ -8,7 +8,12 @@ class SystemNodeProvider implements NodeProviderInterface
 {
     public function getNode()
     {
-        $node = null;
+        static $node = null;
+
+        if($node !== null) {
+            return $node;
+        }        
+
         $pattern = '/[^:]([0-9A-Fa-f]{2}([:-])[0-9A-Fa-f]{2}(\2[0-9A-Fa-f]{2}){4})[^:]/';
         $matches = array();