public static function Utility::getLanguageIdFromLanguageSpecificSolrDynamicFieldName in Search API Solr 4.x

Same name and namespace in other branches

1. 8.3 src/Utility/Utility.php \Drupal\search_api_solr\Utility\Utility::getLanguageIdFromLanguageSpecificSolrDynamicFieldName()
2. 8.2 src/Utility/Utility.php \Drupal\search_api_solr\Utility\Utility::getLanguageIdFromLanguageSpecificSolrDynamicFieldName()

Extracts the language code from a language-specific dynamic Solr field.

Parameters

string $field_name: The language-specific dynamic Solr field name.

Return value

mixed The Drupal language code as string or boolean FALSE if no language code could be extracted.

File

src/Utility/Utility.php, line 428

Class

Utility

Provides various helper functions for Solr backends.

Namespace

Drupal\search_api_solr\Utility

Code

public static function getLanguageIdFromLanguageSpecificSolrDynamicFieldName($field_name) {
  $decoded_field_name = Utility::decodeSolrName($field_name);
  if (preg_match('@^[a-z]+' . SolrBackendInterface::SEARCH_API_SOLR_LANGUAGE_SEPARATOR . '([^_]+?)_@', $decoded_field_name, $matches)) {
    return $matches[1];
  }
  return FALSE;
}