View file File name : language-utils.php Content :<?php /** * WPSEO plugin file. * * @package WPSEO\Internals * @since 5.9.0 */ /** * Group of language utility methods for use by WPSEO. * All methods are static, this is just a sort of namespacing class wrapper. */ class WPSEO_Language_Utils { /** * Returns the language part of a given locale, defaults to english when the $locale is empty. * * @param string|null $locale The locale to get the language of. * * @return string The language part of the locale. */ public static function get_language( $locale = null ) { $language = 'en'; if ( empty( $locale ) || ! is_string( $locale ) ) { return $language; } $locale_parts = explode( '_', $locale ); if ( ! empty( $locale_parts[0] ) && ( strlen( $locale_parts[0] ) === 2 || strlen( $locale_parts[0] ) === 3 ) ) { $language = $locale_parts[0]; } return $language; } /** * Returns the full name for the sites' language. * * @return string The language name. */ public static function get_site_language_name() { require_once ABSPATH . 'wp-admin/includes/translation-install.php'; $translations = wp_get_available_translations(); $locale = get_locale(); $language = isset( $translations[ $locale ] ) ? $translations[ $locale ]['native_name'] : 'English (US)'; return $language; } }