original_string: public function getProxyPort()
      {
          $proxy_options = $this->getOption(EnumRequestOption::PROXY_OPTIONS, []);
          return isset($proxy_options[EnumProxyOption::PROXY_PORT]) ? $proxy_options[EnumProxyOption::PROXY_PORT] : '';
      }
code: public function getProxyPort()
      {
          $proxy_options = $this->getOption(EnumRequestOption::PROXY_OPTIONS, []);
          return isset($proxy_options[EnumProxyOption::PROXY_PORT]) ? $proxy_options[EnumProxyOption::PROXY_PORT] : '';
      }
code_tokens: public function getProxyPort ( ) { $ proxy_options = $ this -> getOption ( EnumRequestOption :: PROXY_OPTIONS , [ ] ) ; return isset ( $ proxy_options [ EnumProxyOption :: PROXY_PORT ] ) ? $ proxy_options [ EnumProxyOption :: PROXY_PORT ] : '' ; }
docstring: Returns proxy port
  
  @return mixed
docstring_tokens: Returns proxy port