diff --git a/AvocadoEdition_Light/addons/sample/sample.addon.php b/AvocadoEdition_Light/addons/sample/sample.addon.php
new file mode 100644
index 0000000..1bc3fd3
--- /dev/null
+++ b/AvocadoEdition_Light/addons/sample/sample.addon.php
@@ -0,0 +1,3 @@
+<?php
+if (!defined('_GNUBOARD_'))
+  exit;
diff --git a/AvocadoEdition_Light/addons/sample/sample.config.php b/AvocadoEdition_Light/addons/sample/sample.config.php
new file mode 100644
index 0000000..1bc3fd3
--- /dev/null
+++ b/AvocadoEdition_Light/addons/sample/sample.config.php
@@ -0,0 +1,3 @@
+<?php
+if (!defined('_GNUBOARD_'))
+  exit;
diff --git a/AvocadoEdition_Light/lib/Hook/hook.class.php b/AvocadoEdition_Light/lib/Hook/hook.class.php
index 89746a2..3a3925c 100644
--- a/AvocadoEdition_Light/lib/Hook/hook.class.php
+++ b/AvocadoEdition_Light/lib/Hook/hook.class.php
@@ -123,10 +123,10 @@ class Hook
   {
     $that = self::getInstance(self::$id);
 
-    $that->callbacks[$tag][$priority][] = array(
+    $that->callbacks[$tag][$priority][] = [
       'function' => $func,
       'arguments' => $args,
-    );
+    ];
 
     return true;
   }
@@ -143,7 +143,7 @@ class Hook
   public static function addActions($actions)
   {
     foreach ($actions as $arguments) {
-      call_user_func_array(array(__CLASS__, 'addAction'), $arguments);
+      call_user_func_array([__CLASS__, 'addAction'], $arguments);
     }
 
     return true;
@@ -164,9 +164,9 @@ class Hook
    * @param mixed  $args   → optional arguments
    * @param bool   $remove → delete hook after executing actions
    *
-   * @return returns the output of the last action or false
+   * @return bool returns the output of the last action or false
    */
-  public static function doAction($tag, $args = array(), $remove = true)
+  public static function doAction($tag, $args = [], $remove = true)
   {
     $that = self::getInstance(self::$id);
 
@@ -252,24 +252,24 @@ class Hook
     $function = $action['function'];
     $argsNumber = $action['arguments'];
 
-    $class = (isset($function[0])) ? $function[0] : false;
-    $method = (isset($function[1])) ? $function[1] : false;
+    $class = isset($function[0]) ? $function[0] : false;
+    $method = isset($function[1]) ? $function[1] : false;
 
     $args = $this->getArguments($argsNumber, $args);
 
     if (!($class && $method) && function_exists($function)) {
       return call_user_func($function, $args);
-    } elseif ($obj = call_user_func(array($class, $this->singleton))) {
+    } elseif ($obj = call_user_func([$class, $this->singleton])) {
       if ($obj !== false) {
-        return call_user_func_array(array($obj, $method), $args);
+        return call_user_func_array([$obj, $method], $args);
       }
     } elseif (class_exists($class)) {
       $instance = new $class;
 
-      return call_user_func_array(array($instance, $method), $args);
+      return call_user_func_array([$instance, $method], $args);
     }
 
-    return null;
+    return false;
   }
 
   /**
@@ -291,7 +291,7 @@ class Hook
       }
     }
 
-    return (isset($actions)) ? $actions : array();
+    return isset($actions) ? $actions : [];
   }
 
   /**
@@ -307,7 +307,7 @@ class Hook
   protected function getArguments($argsNumber, $arguments)
   {
     if ($argsNumber == 1 && is_string($arguments)) {
-      return array($arguments);
+      return [$arguments];
     } elseif ($argsNumber === count($arguments)) {
       return $arguments;
     }
@@ -321,6 +321,6 @@ class Hook
       return $args;
     }
 
-    return array();
+    return [];
   }
 }
diff --git a/AvocadoEdition_Light/lib/Hook/hook.extends.class.php b/AvocadoEdition_Light/lib/Hook/hook.extends.class.php
index 95ab392..341cfa4 100644
--- a/AvocadoEdition_Light/lib/Hook/hook.extends.class.php
+++ b/AvocadoEdition_Light/lib/Hook/hook.extends.class.php
@@ -4,11 +4,8 @@ if (!defined('_GNUBOARD_'))
 
 class GML_Hook extends Hook
 {
-
-  protected $filters = array('count' => 0);
-
-  protected $callback_filters = array();
-
+  protected $filters = ['count' => 0];
+  protected $callback_filters = [];
   protected static $current_filter = false;
 
   protected function runAction($action, $args)
@@ -16,77 +13,68 @@ class GML_Hook extends Hook
     $function = $action['function'];
     $argsNumber = $action['arguments'];
 
-    $class = (is_array($function) && isset($function[0])) ? $function[0] : false;
-    $method = (is_array($function) && isset($function[1])) ? $function[1] : false;
-
     $args = $this->getArguments($argsNumber, $args);
 
-    if (!($class && $method) && is_callable($function)) {
+    if (is_callable($function)) {
       return call_user_func_array($function, $args);
-    } elseif ($obj = call_user_func(array($class, $this->singleton))) {
-      if ($obj !== false) {
-        return call_user_func_array(array($obj, $method), $args);
-      }
-    } elseif (class_exists($class)) {
-      $instance = new $class;
+    } elseif (is_array($function) && isset($function[0], $function[1])) {
+      $class = $function[0];
+      $method = $function[1];
 
-      return call_user_func_array(array($instance, $method), $args);
+      if ($obj = call_user_func([$class, $this->singleton])) {
+        return $obj !== false ? call_user_func_array([$obj, $method], $args) : false;
+      } elseif (class_exists($class)) {
+        $instance = new $class();
+        return call_user_func_array([$instance, $method], $args);
+      }
     }
+
+    return false;
   }
 
   protected function getFilters($tag, $remove)
   {
-    if (isset($this->callback_filters[$tag])) {
-      $filters = $this->callback_filters[$tag];
-      if ($remove) {
-        unset($this->callback_filters[$tag]);
-      }
+    $filters = isset($this->callback_filters[$tag]) ? $this->callback_filters[$tag] : [];
+    if ($remove) {
+      unset($this->callback_filters[$tag]);
     }
-
-    return (isset($filters)) ? $filters : array();
+    return $filters;
   }
 
   public static function get_properties($type, $is_callback = false)
   {
-
     $that = self::getInstance(self::$id);
-
     if ($type === 'event') {
       return $is_callback ? $that->callbacks : $that->actions;
     }
-
     return $is_callback ? $that->callback_filters : $that->filters;
   }
 
   public static function addFilter($tag, $func, $priority = 8, $args = 0)
   {
     $that = self::getInstance(self::$id);
-
-    $that->callback_filters[$tag][$priority][] = array(
+    $that->callback_filters[$tag][$priority][] = [
       'function' => $func,
       'arguments' => $args,
-    );
-
+    ];
     return true;
   }
 
-  public static function apply_filters($tag, $args = array(), $remove = true)
+  public static function apply_filters($tag, $args = [], $remove = true)
   {
     $that = self::getInstance(self::$id);
-
     self::$current_filter = $tag;
-
     $that->filters['count']++;
 
-    if (!array_key_exists($tag, $that->filters)) {
+    if (!isset($that->filters[$tag])) {
       $that->filters[$tag] = 0;
     }
-
     $that->filters[$tag]++;
+
     $filters = $that->getFilters($tag, $remove);
     ksort($filters);
 
-    $value = $args[0];
+    $value = isset($args[0]) ? $args[0] : null;
 
     foreach ($filters as $priority) {
       foreach ($priority as $filter) {
@@ -94,74 +82,54 @@ class GML_Hook extends Hook
           $args[0] = $value;
         }
         $replace = $that->runAction($filter, $args);
-
-        if (!is_null($replace)) {
+        if ($replace !== false) {
           $value = $replace;
         }
       }
     }
 
     self::$current_filter = false;
-
     return $value;
   }
 
   protected function getArguments($argsNumber, $arguments)
   {
-    if ($argsNumber == 1 && is_string($arguments)) {
-      return array($arguments);
-    } elseif ($argsNumber === count($arguments)) {
+    if ($argsNumber === 1 && is_string($arguments)) {
+      return [$arguments];
+    }
+
+    if (is_array($arguments) && $argsNumber === count($arguments)) {
       return $arguments;
     }
 
-    $args = array();
-
-    for ($i = 0; $i < $argsNumber; $i++) {
-      if (is_array($arguments) && array_key_exists($i, $arguments)) {
-        $args[] = $arguments[$i];
-      }
-    }
-
-    return $args;
+    return array_slice((array) $arguments, 0, $argsNumber);
   }
 
   public static function remove_filter($tag, $func, $priority)
   {
     $that = self::getInstance(self::$id);
-
-    $is_remove = false;
-
-    if (isset($that->callback_filters[$tag]) && isset($that->callback_filters[$tag][$priority])) {
-
-      foreach ((array) $that->callback_filters[$tag][$priority] as $key => $value) {
-        if (isset($value['function']) && $value['function'] === $func) {
-          unset($that->callback_filters[$tag][$priority][$key]);
-          $is_remove = true;
-        }
-      }
-    }
-
-    return $is_remove;
+    return self::remove_callback($that->callback_filters, $tag, $func, $priority);
   }
 
   public static function remove_action($tag, $func, $priority)
   {
     $that = self::getInstance(self::$id);
+    return self::remove_callback($that->callbacks, $tag, $func, $priority);
+  }
 
-    $is_remove = false;
+  private static function remove_callback(&$array, $tag, $func, $priority)
+  {
+    if (!isset($array[$tag][$priority])) {
+      return false;
+    }
 
-    if (isset($that->callbacks[$tag]) && isset($that->callbacks[$tag][$priority])) {
-
-      foreach ((array) $that->callbacks[$tag][$priority] as $key => $value) {
-        if (isset($value['function']) && $value['function'] === $func) {
-          unset($that->callbacks[$tag][$priority][$key]);
-          $is_remove = true;
-        }
+    foreach ($array[$tag][$priority] as $key => $value) {
+      if (isset($value['function']) && $value['function'] === $func) {
+        unset($array[$tag][$priority][$key]);
+        return true;
       }
     }
 
-    return $is_remove;
+    return false;
   }
 }
-
-// end  Hook Class;