php - Google crawl error with HTTP_ACCEPT_LANGUAGE -


in codeigniter app use $_server['http_accept_language'] determine users browser language set app language based on that, that:

public function __construct() { parent::__construct();  /* set session language if not set. "hu" if browser language "hu", else "en" */     if(!($this->session->userdata("lang")))         {         $browserlang = substr($_server["http_accept_language"],0,2);         if ($browserlang == "hu")             {             $this->config->set_item("language", "hu");             $this->session->set_userdata("lang", "hu");             $this->lang->load("bh_hu", "hungarian");     }          else             {             $this->config->set_item("language", "en");             $this->session->set_userdata("lang", "en");             $this->lang->load("bh_en", "english");             }         }      else         {         switch ($this->session->userdata("lang"))              {              case "hu": $this->lang->load("bh_hu", "hungarian"); break;              case "en": $this->lang->load("bh_en", "english"); break;              }         }       ....   }

everything's working fine, google crawler not send http_accept_language, returns php error undefined index: http_accept_language when crawling pages.

this nasty, because php error fills entire google search snippet.

is there way let google bot ignore http_accept_language action?

thanks in advance!

$browser_lang = !empty($_server['http_accept_language']) ? strtok(strip_tags($_server['http_accept_language']), ',') : ''; $browser_lang = substr($browser_lang, 0,2);  // check if support language , set if(array_key_exists($browser_lang, $this->languages /* define array compare */))     return $browser_lang; else{     // return default lang }

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