PicoDeprecated: Use $GLOBALS superglobal instead of global keyword

plugins/00-PicoDeprecated.php

@@ -107,19 +107,17 @@ class PicoDeprecated extends AbstractPicoPlugin
      * @see    PicoDeprecated::loadRootDirConfig()
      * @see    PicoDeprecated::enablePlugins()
      * @see    DummyPlugin::onConfigLoaded()
-     * @param  mixed[] &$realConfig array of config variables
+     * @param  mixed[] &$config array of config variables
      * @return void
      */
-    public function onConfigLoaded(array &$realConfig)
+    public function onConfigLoaded(array &$config)
     {
-        global $config;
-
         $this->defineConstants();
-        $this->loadRootDirConfig($realConfig);
+        $this->loadRootDirConfig($config);
         $this->enablePlugins();
-        $config = &$realConfig;
+        $GLOBALS['config'] = &$config;
 
-        $this->triggerEvent('config_loaded', array(&$realConfig));
+        $this->triggerEvent('config_loaded', array(&$config));
     }
 
     /**