84 lines
2.7 KiB
PHP
84 lines
2.7 KiB
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 {
|
|
|
|
/**
|
|
* The languages with inclusive language analysis support.
|
|
*
|
|
* @var string[]
|
|
*/
|
|
public static $languages_with_inclusive_language_support = [ 'en' ];
|
|
|
|
/**
|
|
* 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 the given language has inclusive language support.
|
|
*
|
|
* @param string $language The language to check if inclusive language is supported.
|
|
*
|
|
* @return bool Whether the language has inclusive language support.
|
|
*/
|
|
public function has_inclusive_language_support( $language ) {
|
|
return \in_array( $language, self::$languages_with_inclusive_language_support, 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;
|
|
}
|
|
|
|
/**
|
|
* Returns The site language code without region
|
|
* (e.g. 'en' for 'en_US' or 'en_GB').
|
|
*
|
|
* @return string The site language code without region.
|
|
*/
|
|
public function get_language() {
|
|
return WPSEO_Language_Utils::get_language( \get_locale() );
|
|
}
|
|
}
|