function _language_selection_page_detect_lang_from_url_argument in Language Selection Page 6

Custom function who detect the language from a URL argument.

Return value

string

1 call to _language_selection_page_detect_lang_from_url_argument()

language_selection_page_init in ./language_selection_page.module

Implements hook_init().

File

includes/language_selection_page.helpers.inc, line 50

This file contains all the custom functions needed for the module.

Code

function _language_selection_page_detect_lang_from_url_argument() {
  $url_parsed = _language_selection_page_parse_url_custom();
  $argument = variable_get('language_selection_page_language_url_argument', '');
  if (empty($argument)) {
    return NULL;
  }
  if (empty($url_parsed['query'][$argument])) {
    return NULL;
  }
  return _language_selection_page_validate_language($url_parsed['query'][$argument]);
}