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diff --git a/includes/GlobalFunctions.php b/includes/GlobalFunctions.php
index cf0c4b60af..d636b44397 100644
--- a/includes/GlobalFunctions.php
+++ b/includes/GlobalFunctions.php
@@ -595,6 +595,26 @@ function wfMessage( $key /*...*/) {
 	return new Message( $key, $params );
 }
 
+/**
+ * This function accepts multiple message keys and returns a message instance
+ * for the first message which is non-empty. If all messages are empty then an
+ * instance of the first message key is returned.
+ * Varargs: message keys
+ * @return \type{Message}
+ * @since 1.18
+ */
+function wfMessageFallback( /*...*/ ) {
+	$keys = func_get_args();
+	$first = $keys[0];
+	foreach ( $keys as $key ) {
+		if ( wfEmptyMsg( $key ) ) {
+			continue;
+		}
+		return wfMessage( $key );
+	}
+	return wfMessage( $first );
+}
+
 /**
  * Get a message from anywhere, for the current user language.
  *