original_string: public function loadConfigurationFile($file = null)
      {
          $file = $file ?: $this->findConfigurationFile();
          if (! file_exists($file))
              return;
  
          $this->config = $this->yaml->load($file);
      }
code: public function loadConfigurationFile($file = null)
      {
          $file = $file ?: $this->findConfigurationFile();
          if (! file_exists($file))
              return;
  
          $this->config = $this->yaml->load($file);
      }
code_tokens: public function loadConfigurationFile ( $ file = null ) { $ file = $ file ? : $ this -> findConfigurationFile ( ) ; if ( ! file_exists ( $ file ) ) return ; $ this -> config = $ this -> yaml -> load ( $ file ) ; }
docstring: load configuraton file
  
  @param   string  $file
docstring_tokens: load configuraton file