original_string: public function get_stream($index) {
          if (!isset($this->za)) {
              return false;
          }
  
          $name = $this->za->getNameIndex($index);
          if ($name === false) {
              return false;
          }
  
          return $this->za->getStream($name);
      }
code: public function get_stream($index) {
          if (!isset($this->za)) {
              return false;
          }
  
          $name = $this->za->getNameIndex($index);
          if ($name === false) {
              return false;
          }
  
          return $this->za->getStream($name);
      }
code_tokens: public function get_stream ( $ index ) { if ( ! isset ( $ this -> za ) ) { return false ; } $ name = $ this -> za -> getNameIndex ( $ index ) ; if ( $ name === false ) { return false ; } return $ this -> za -> getStream ( $ name ) ; }
docstring: Returns file stream for reading of content.
  
  @param int $index index of file
  @return resource|bool file handle or false if error
docstring_tokens: Returns file stream for reading of content .