first commit

wp-content/plugins/sitepress-multilingual-cms/addons/wpml-page-builders/classes/Shared/Helper/LanguageNegotiation.php

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+<?php
+
+namespace WPML\PB\Helper;
+
+class LanguageNegotiation {
+
+	/**
+	 * @return bool
+	 */
+	public static function isUsingDomains() {
+		return apply_filters( 'wpml_setting', [], 'language_domains' )
+			   && constant( 'WPML_LANGUAGE_NEGOTIATION_TYPE_DOMAIN' ) === (int) apply_filters( 'wpml_setting', 1, 'language_negotiation_type' );
+	}
+
+	/**
+	 * @param string $languageCode Language code.
+	 *
+	 * @retun string|null
+	 */
+	public static function getDomainByLanguage( $languageCode ) {
+		return wpml_collect( self::getMappedDomains() )->first( function( $domain, $code ) use ( $languageCode ) {
+			return $languageCode === $code;
+		} );
+	}
+
+	/**
+	 * @return array
+	 */
+	private static function getMappedDomains() {
+		$defaultLanguage = apply_filters( 'wpml_default_language', null );
+		$homeUrl         = apply_filters( 'wpml_permalink', get_home_url(), $defaultLanguage );
+		$defaultDomain   = wp_parse_url( $homeUrl, PHP_URL_HOST );
+		$domains         = apply_filters( 'wpml_setting', [], 'language_domains' );
+
+		$domains[ $defaultLanguage ] = $defaultDomain;
+
+		return $domains;
+	}
+}