original_string: protected function init()
      {
          $this->escapableControlCharactersPattern = $this->getEscapableControlCharactersPattern();
          $this->controlCharactersEscapingMap = $this->getControlCharactersEscapingMap();
          $this->controlCharactersEscapingReverseMap = array_flip($this->controlCharactersEscapingMap);
      }
code: protected function init()
      {
          $this->escapableControlCharactersPattern = $this->getEscapableControlCharactersPattern();
          $this->controlCharactersEscapingMap = $this->getControlCharactersEscapingMap();
          $this->controlCharactersEscapingReverseMap = array_flip($this->controlCharactersEscapingMap);
      }
code_tokens: protected function init ( ) { $ this -> escapableControlCharactersPattern = $ this -> getEscapableControlCharactersPattern ( ) ; $ this -> controlCharactersEscapingMap = $ this -> getControlCharactersEscapingMap ( ) ; $ this -> controlCharactersEscapingReverseMap = array_flip ( $ this -> controlCharactersEscapingMap ) ; }
docstring: Initializes the singleton instance
docstring_tokens: Initializes the singleton instance