diff --git a/AvocadoEdition_Light/addons/sample/sample.addon.php b/AvocadoEdition_Light/addons/sample/sample.addon.php
deleted file mode 100644
index 1bc3fd3..0000000
--- a/AvocadoEdition_Light/addons/sample/sample.addon.php
+++ /dev/null
@@ -1,3 +0,0 @@
-<?php
-if (!defined('_GNUBOARD_'))
-  exit;
diff --git a/AvocadoEdition_Light/addons/sample/sample.config.php b/AvocadoEdition_Light/addons/sample/sample.config.php
deleted file mode 100644
index 1bc3fd3..0000000
--- a/AvocadoEdition_Light/addons/sample/sample.config.php
+++ /dev/null
@@ -1,3 +0,0 @@
-<?php
-if (!defined('_GNUBOARD_'))
-  exit;
diff --git a/AvocadoEdition_Light/lib/Hook/hook.class.php b/AvocadoEdition_Light/lib/Hook/hook.class.php
index 3a3925c..89746a2 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][] = [
+    $that->callbacks[$tag][$priority][] = array(
       '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([__CLASS__, 'addAction'], $arguments);
+      call_user_func_array(array(__CLASS__, 'addAction'), $arguments);
     }
 
     return true;
@@ -164,9 +164,9 @@ class Hook
    * @param mixed  $args   → optional arguments
    * @param bool   $remove → delete hook after executing actions
    *
-   * @return bool returns the output of the last action or false
+   * @return returns the output of the last action or false
    */
-  public static function doAction($tag, $args = [], $remove = true)
+  public static function doAction($tag, $args = array(), $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([$class, $this->singleton])) {
+    } elseif ($obj = call_user_func(array($class, $this->singleton))) {
       if ($obj !== false) {
-        return call_user_func_array([$obj, $method], $args);
+        return call_user_func_array(array($obj, $method), $args);
       }
     } elseif (class_exists($class)) {
       $instance = new $class;
 
-      return call_user_func_array([$instance, $method], $args);
+      return call_user_func_array(array($instance, $method), $args);
     }
 
-    return false;
+    return null;
   }
 
   /**
@@ -291,7 +291,7 @@ class Hook
       }
     }
 
-    return isset($actions) ? $actions : [];
+    return (isset($actions)) ? $actions : array();
   }
 
   /**
@@ -307,7 +307,7 @@ class Hook
   protected function getArguments($argsNumber, $arguments)
   {
     if ($argsNumber == 1 && is_string($arguments)) {
-      return [$arguments];
+      return array($arguments);
     } elseif ($argsNumber === count($arguments)) {
       return $arguments;
     }
@@ -321,6 +321,6 @@ class Hook
       return $args;
     }
 
-    return [];
+    return array();
   }
 }
diff --git a/AvocadoEdition_Light/lib/Hook/hook.extends.class.php b/AvocadoEdition_Light/lib/Hook/hook.extends.class.php
index 45ea2eb..95ab392 100644
--- a/AvocadoEdition_Light/lib/Hook/hook.extends.class.php
+++ b/AvocadoEdition_Light/lib/Hook/hook.extends.class.php
@@ -4,8 +4,11 @@ if (!defined('_GNUBOARD_'))
 
 class GML_Hook extends Hook
 {
-  protected $filters = ['count' => 0];
-  protected $callback_filters = [];
+
+  protected $filters = array('count' => 0);
+
+  protected $callback_filters = array();
+
   protected static $current_filter = false;
 
   protected function runAction($action, $args)
@@ -13,68 +16,77 @@ 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 (is_callable($function)) {
+    if (!($class && $method) && is_callable($function)) {
       return call_user_func_array($function, $args);
-    } elseif (is_array($function) && isset($function[0], $function[1])) {
-      $class = $function[0];
-      $method = $function[1];
-
-      if ($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], $args);
+    } elseif ($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;
 
-    return false;
+      return call_user_func_array(array($instance, $method), $args);
+    }
   }
 
   protected function getFilters($tag, $remove)
   {
-    $filters = isset($this->callback_filters[$tag]) ? $this->callback_filters[$tag] : [];
-    if ($remove) {
-      unset($this->callback_filters[$tag]);
+    if (isset($this->callback_filters[$tag])) {
+      $filters = $this->callback_filters[$tag];
+      if ($remove) {
+        unset($this->callback_filters[$tag]);
+      }
     }
-    return $filters;
+
+    return (isset($filters)) ? $filters : array();
   }
 
   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][] = [
+
+    $that->callback_filters[$tag][$priority][] = array(
       'function' => $func,
       'arguments' => $args,
-    ];
+    );
+
     return true;
   }
 
-  public static function apply_filters($tag, $args = [], $remove = true)
+  public static function apply_filters($tag, $args = array(), $remove = true)
   {
     $that = self::getInstance(self::$id);
+
     self::$current_filter = $tag;
+
     $that->filters['count']++;
 
-    if (!isset($that->filters[$tag])) {
+    if (!array_key_exists($tag, $that->filters)) {
       $that->filters[$tag] = 0;
     }
-    $that->filters[$tag]++;
 
+    $that->filters[$tag]++;
     $filters = $that->getFilters($tag, $remove);
     ksort($filters);
 
-    $value = isset($args[0]) ? $args[0] : null;
+    $value = $args[0];
 
     foreach ($filters as $priority) {
       foreach ($priority as $filter) {
@@ -82,56 +94,74 @@ class GML_Hook extends Hook
           $args[0] = $value;
         }
         $replace = $that->runAction($filter, $args);
-        if ($replace !== false) {
+
+        if (!is_null($replace)) {
           $value = $replace;
         }
       }
     }
 
     self::$current_filter = false;
+
     return $value;
   }
 
   protected function getArguments($argsNumber, $arguments)
   {
-    if ($argsNumber === 1 && is_string($arguments)) {
-      return [$arguments];
-    }
-
-    if (is_array($arguments) && $argsNumber === count($arguments)) {
+    if ($argsNumber == 1 && is_string($arguments)) {
+      return array($arguments);
+    } elseif ($argsNumber === count($arguments)) {
       return $arguments;
     }
 
-    return array_slice((array) $arguments, 0, $argsNumber);
+    $args = array();
+
+    for ($i = 0; $i < $argsNumber; $i++) {
+      if (is_array($arguments) && array_key_exists($i, $arguments)) {
+        $args[] = $arguments[$i];
+      }
+    }
+
+    return $args;
   }
 
   public static function remove_filter($tag, $func, $priority)
   {
     $that = self::getInstance(self::$id);
-    return self::remove_callback($that->callback_filters, $tag, $func, $priority);
+
+    $is_remove = false;
+
+    if (isset($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;
   }
 
   public static function remove_action($tag, $func, $priority)
   {
     $that = self::getInstance(self::$id);
-    return self::remove_callback($that->callbacks, $tag, $func, $priority);
-  }
-
-  private static function remove_callback(&$array, $tag, $func, $priority)
-  {
-    if (!isset($array[$tag][$priority])) {
-      return false;
-    }
 
     $is_remove = false;
 
-    foreach ($array[$tag][$priority] as $key => $value) {
-      if (isset($value['function']) && $value['function'] === $func) {
-        unset($array[$tag][$priority][$key]);
-        $is_remove = true;
+    if (isset($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;
+        }
       }
     }
 
     return $is_remove;
   }
 }
+
+// end  Hook Class;