[ticket/13454] Fix a few issues introduced by overdeleting stuff

PHPBB3-13454

phpBB/phpbb/textformatter/s9e/parser.php

@@ -51,6 +51,8 @@ class parser implements \phpbb\textformatter\parser_interface
 		$this->dispatcher = $dispatcher;
 		$this->parser = $parser;
 
+		$parser = $this;
+
 		/**
 		* Configure the parser service
 		*
@@ -72,6 +74,8 @@ class parser implements \phpbb\textformatter\parser_interface
 	*/
 	public function parse($text)
 	{
+		$parser = $this;
+
 		/**
 		* Modify a text before it is parsed
 		*