public static function Utility::extractLanguageSpecificSolrDynamicFieldDefinition 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::extractLanguageSpecificSolrDynamicFieldDefinition()
2. 8.2 src/Utility/Utility.php \Drupal\search_api_solr\Utility\Utility::extractLanguageSpecificSolrDynamicFieldDefinition()

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

Parameters

string $field_name: The field name.

Return value

mixed The language-specific prefix as string or boolean FALSE if no prefix could be extracted.

File

src/Utility/Utility.php, line 446

Class

Utility

Provides various helper functions for Solr backends.

Namespace

Drupal\search_api_solr\Utility

Code

public static function extractLanguageSpecificSolrDynamicFieldDefinition($field_name) {
  $decoded_field_name = Utility::decodeSolrName($field_name);
  if (preg_match('@^[a-z]+' . SolrBackendInterface::SEARCH_API_SOLR_LANGUAGE_SEPARATOR . '[^_]+?_@', $decoded_field_name, $matches)) {
    return Utility::encodeSolrName($matches[0]) . '*';
  }
  return FALSE;
}