File: /home/s/t/u/studionolh/www/wp-content/plugins/wordpress-seo/src/helpers/language-helper.php
<?php
namespace Yoast\WP\SEO\Helpers;
use WPSEO_Language_Utils;
use Yoast\WP\SEO\Config\Researcher_Languages;
/**
* A helper object for language features.
*/
class Language_Helper {
/**
* Checks whether word form recognition is active for the used language.
*
* @param string $language The used language.
*
* @return bool Whether word form recognition is active for the used language.
*/
public function is_word_form_recognition_active( $language ) {
$supported_languages = [ 'de', 'en', 'es', 'fr', 'it', 'nl', 'ru', 'id', 'pt', 'pl', 'ar', 'sv', 'he', 'hu', 'nb', 'tr', 'cs', 'sk', 'el', 'ja' ];
return \in_array( $language, $supported_languages, true );
}
/**
* Checks whether the given language has function word support.
* (E.g. function words are used or filtered out for this language when doing some SEO and readability assessments).
*
* @param string $language The language to check.
*
* @return bool Whether the language has function word support.
*/
public function has_function_word_support( $language ) {
$supported_languages = [ 'en', 'de', 'nl', 'fr', 'es', 'it', 'pt', 'ru', 'pl', 'sv', 'id', 'he', 'ar', 'hu', 'nb', 'tr', 'cs', 'sk', 'fa', 'el', 'ja' ];
return \in_array( $language, $supported_languages, true );
}
/**
* Checks whether we have a specific researcher for the current locale and returns that language.
* If there is no researcher for the current locale, returns default as the researcher.
*
* @return string The language to use to select a researcher.
*/
public function get_researcher_language() {
$researcher_language = WPSEO_Language_Utils::get_language( \get_locale() );
$supported_languages = Researcher_Languages::SUPPORTED_LANGUAGES;
if ( ! \in_array( $researcher_language, $supported_languages, true ) ) {
$researcher_language = 'default';
}
return $researcher_language;
}
}