class-wpml-user-admin-language.php
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<?php
class WPML_User_Admin_Language {
const CACHE_GROUP = 'get_user_admin_language';
/** @var SitePress */
private $sitepress;
public function __construct( SitePress $sitepress ) {
$this->sitepress = $sitepress;
}
/**
* @param int|string $user_id
* @param bool $reload
*
* @return bool|mixed|null|string
*/
public function get( $user_id, $reload = false ) {
$user_id = (int) $user_id;
$lang = wp_cache_get( $user_id, self::CACHE_GROUP );
if ( ! $lang || $reload ) {
$lang = $this->get_from_user_settings( $user_id );
if ( ! $lang ) {
$lang = $this->get_from_global_settings();
}
wp_cache_set( $user_id, $lang, self::CACHE_GROUP );
}
return $lang;
}
/**
* @param int $user_id
*
* @return null|false|string
*/
private function get_from_user_settings( $user_id ) {
if ( get_user_meta( $user_id, 'icl_admin_language_for_edit', true ) ) {
$lang = $this->sitepress->get_current_language();
} else {
$lang = get_user_meta( $user_id, 'icl_admin_language', true );
if ( ! $lang ) {
$user_locale = get_user_meta( $user_id, 'locale', true );
if ( $user_locale ) {
$lang = $this->sitepress->get_language_code_from_locale( $user_locale );
}
}
}
return $lang;
}
/**
* @return string
*/
private function get_from_global_settings() {
$lang = $this->sitepress->get_setting( 'admin_default_language' );
if ( ! $lang || $lang === '_default_' ) {
$default = $this->sitepress->get_default_language();
$lang = $default ? $default : 'en';
}
return $lang;
}
}