[ticket/16955] Fix phpdoc annotations and return types

PHPBB3-16955

phpBB/phpbb/plupload/plupload.php

@@ -100,7 +100,7 @@ class plupload
 		// and handle the file as usual
 		if ($chunks_expected < 2)
 		{
-			return;
+			return null;
 		}
 
 		$file_name = $this->request->variable('name', '');
@@ -150,7 +150,7 @@ class plupload
 	* @param int						$forum_id The ID of the forum
 	* @param int						$max_files Maximum number of files allowed. 0 for unlimited.
 	*
-	* @return null
+	* @return void
 	*/
 	public function configure(\phpbb\cache\service $cache, \phpbb\template\template $template, $s_action, $forum_id, $max_files)
 	{
@@ -200,7 +200,7 @@ class plupload
 	* @param int $code		The error code
 	* @param string $msg	The translation string of the message to be sent
 	*
-	* @return null
+	* @return void
 	*/
 	public function emit_error($code, $msg)
 	{
@@ -331,7 +331,7 @@ class plupload
 	* @param int $chunk Chunk number
 	* @param string $file_path File path
 	*
-	* @return null
+	* @return void
 	*/
 	protected function integrate_uploaded_file($form_name, $chunk, $file_path)
 	{
@@ -378,7 +378,7 @@ class plupload
 	/**
 	* Creates the temporary directory if it does not already exist.
 	*
-	* @return null
+	* @return void
 	*/
 	protected function prepare_temporary_directory()
 	{
@@ -396,7 +396,7 @@ class plupload
 	/**
 	* Sets the default directories for uploads
 	*
-	* @return null
+	* @return void
 	*/
 	protected function set_default_directories()
 	{
@@ -410,7 +410,7 @@ class plupload
 	* @param string $upload_directory Upload directory
 	* @param string $temporary_directory Temporary directory
 	*
-	* @return null
+	* @return void
 	*/
 	public function set_upload_directories($upload_directory, $temporary_directory)
 	{