rel #12794 : fix empty call on var setting ci server compatibility

library/ZendAfi/View/Helper/Notice/Analytics.php

@@ -41,8 +41,11 @@ class ZendAfi_View_Helper_Notice_Analytics extends Zend_View_Helper_HtmlElement
 		$title_field = $preferences[self::PREF_ANALYTICS_TITLE];
 		$authors_field = explode(';', $preferences[self::PREF_ANALYTICS_AUTHORS]);
 
-		if (!$analytics_field || !is_array($authors_field)
-				|| empty($analytics = $notice->get_subfield($analytics_field)))
+		if (!$analytics_field || !is_array($authors_field))
+			return '';
+
+		$analytics = $notice->get_subfield($analytics_field);
+		if (empty($analytics))
 			return '';
 
 		$items = [];