original_string: protected function _loadFile($filename='')
      {
          if (is_null($this->_reader)) {
              $this->_reader = new Mage_Connect_Package_Reader($filename);
          }
          $content = $this->_reader->load();
          $this->_packageXml = simplexml_load_string($content);
          return $this;
      }
code: protected function _loadFile($filename='')
      {
          if (is_null($this->_reader)) {
              $this->_reader = new Mage_Connect_Package_Reader($filename);
          }
          $content = $this->_reader->load();
          $this->_packageXml = simplexml_load_string($content);
          return $this;
      }
code_tokens: protected function _loadFile ( $ filename = '' ) { if ( is_null ( $ this -> _reader ) ) { $ this -> _reader = new Mage_Connect_Package_Reader ( $ filename ) ; } $ content = $ this -> _reader -> load ( ) ; $ this -> _packageXml = simplexml_load_string ( $ content ) ; return $ this ; }
docstring: Loads a package from specified file
  
  @param string $filename
  @return Mage_Connect_Package
docstring_tokens: Loads a package from specified file