- 🇮🇹Italy apaderno Brescia, 🇮🇹
This issue needs to first be fixed in more recent Drupal versions, if it still applies to those versions, and then fixed on Drupal 7,
drupal_lookup_path() and drupal_get_path_alias() do not return the
localized path alias, if there is an alias for undefined language.
drupal_get_path_alias() without arguments to retrieve the alias for the current page (via hook_page() or something).
In the last step, drupal_get_path_alias() will not return the correct alias, the localized one, but the language-undefined alias.
Retrieving the alias from the database is done via drupal_lookup_path() in includes/path.inc. There in lines 108 till 119 is the following code:
if ($path_language == LANGUAGE_NONE) {
// Prevent PDO from complaining about a token the query doesn't use.
unset($args[':language']);
$result = db_query('SELECT source, alias FROM {url_alias} WHERE source IN (:system) AND language = :language_none ORDER BY pid ASC', $args);
}
elseif ($path_language < LANGUAGE_NONE) {
$result = db_query('SELECT source, alias FROM {url_alias} WHERE source IN (:system) AND language IN (:language, :language_none) ORDER BY language ASC, pid ASC', $args);
}
else {
$result = db_query('SELECT source, alias FROM {url_alias} WHERE source IN (:system) AND language IN (:language, :language_none) ORDER BY language DESC, pid ASC', $args);
}
$cache['map'][$path_language] = $result->fetchAllKeyed();
The results of the query are ordered by language. If $path_language is smaller
than LANGUAGE_NONE the results are ordered by language in ascending order.
When fetched via fetchAllKeyed(), the localized results are therefore first in
the returned array and it seems they are overwritten by the values with the
same key coming later.
Example: node/1 has the aliases abc (de) and xyz (und), fetchAllKeyed() will
return an array:
node/1 => abc node/1 => xyz
Here xyz takes precedence over abc and therefore the localized alias is
discarded and the one with undefined language is used.
To fix this it should suffice to change the ordering of the results.
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
This issue needs to first be fixed in more recent Drupal versions, if it still applies to those versions, and then fixed on Drupal 7,