diff --git a/phpBB/includes/functions.php b/phpBB/includes/functions.php
index 3ffd2ae234..850b3ef28d 100644
--- a/phpBB/includes/functions.php
+++ b/phpBB/includes/functions.php
@@ -3826,8 +3826,11 @@ function page_header($page_title = '', $display_online_list = false, $item_id =
 	// Send a proper content-language to the output
 	$language_file_helper = $phpbb_container->get('language.helper.language_file');
 
-	$available_languages = $language_file_helper->get_available_languages();
-	$user_lang = $available_languages[0]['user_lang'];
+	// Grab the users lang direction and store it for later use
+	$direction = $language_file_helper->get_lang_key_value('direction');
+
+	// Get the user_lang string
+	$user_lang = $language_file_helper->get_lang_key_value('user_lang');
 	if (strpos($user_lang, '-x-') !== false)
 	{
 		$user_lang = substr($user_lang, 0, strpos($user_lang, '-x-'));
@@ -3883,10 +3886,6 @@ function page_header($page_title = '', $display_online_list = false, $item_id =
 
 	$s_login_redirect = build_hidden_fields(array('redirect' => $phpbb_path_helper->remove_web_root_path(build_url())));
 
-	// Grab the users lang direction and store it for later use
-	$available_languages = $language_file_helper->get_available_languages();
-	$direction = $available_languages[0]['direction'];
-
 	// Add form token for login box, in case page is presenting a login form.
 	add_form_key('login', '_LOGIN');
 
diff --git a/phpBB/phpbb/language/language_file_helper.php b/phpBB/phpbb/language/language_file_helper.php
index b64269f27a..f862754ce4 100644
--- a/phpBB/phpbb/language/language_file_helper.php
+++ b/phpBB/phpbb/language/language_file_helper.php
@@ -67,6 +67,18 @@ class language_file_helper
 		return $available_languages;
 	}
 
+	/**
+	 * Return by given lang key its composer.json value
+	 *
+	 * @return string
+	 *
+	 */
+	public function get_lang_key_value($lang_key) : string
+	{
+		$available_languages = $this->get_available_languages();
+		return $available_languages[0][$lang_key];
+	}
+
 	/**
 	 * Collect some data from the composer.json file
 	 *