Fixes: code quality checks

application/widgets/FilterWidget.php

@@ -554,7 +554,7 @@ class FilterWidget extends Widget
 	private function _setFilterMenu()
 	{
 		// Generates the filters structure array
-		$filterMenu = $this->filterwidgetlib->generateFilterMenu(
+		$this->filterwidgetlib->generateFilterMenu(
 			$this->router->directory.$this->router->class.'/'.$this->router->method
 		);
 	}
@@ -633,7 +633,7 @@ class FilterWidget extends Widget
 	{
 		$columnsNames = array();
 
-		foreach ($columns as $key => $obj)
+		foreach ($columns as $obj)
 		{
 			if (isset($obj->name))
 			{

application/widgets/TableWidget.php

@@ -440,24 +440,6 @@ class TableWidget extends Widget
 		return !isset($class) ? '' : $class;
 	}
 
-	/**
-	 * Utility method that retrieves the name of the columns present in a table JSON definition
-	 */
-	private function _getColumnsNames($columns)
-	{
-		$columnsNames = array();
-
-		foreach ($columns as $key => $obj)
-		{
-			if (isset($obj->name))
-			{
-				$columnsNames[] = $obj->name;
-			}
-		}
-
-		return $columnsNames;
-	}
-
 	/**
 	 * Loads a view using the given viewName and eventually other parameters
 	 */
@@ -467,3 +449,4 @@ class TableWidget extends Widget
 		$ci->load->view($viewName, $parameters);
 	}
 }
+