original_string: public function getFilterCollection()
      {
          if (null === $this->filterCollection) {
              $this->filterCollection = new Filter\FilterCollection($this);
          }
  
          return $this->filterCollection;
      }
code: public function getFilterCollection()
      {
          if (null === $this->filterCollection) {
              $this->filterCollection = new Filter\FilterCollection($this);
          }
  
          return $this->filterCollection;
      }
code_tokens: public function getFilterCollection ( ) { if ( null === $ this -> filterCollection ) { $ this -> filterCollection = new Filter \ FilterCollection ( $ this ) ; } return $ this -> filterCollection ; }
docstring: Gets the filter collection.
  
  @return Filter\FilterCollection The active filter collection.
docstring_tokens: Gets the filter collection .