Fix TypeError in qtranxf_add_query_arg with URL query mode (#1314)

qtranslate · Apr 11, 2023 · 2fca2b5 · 2fca2b5
1 parent 4332d94
commit 2fca2b5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/utils.php b/src/utils.php
@@ -106,7 +106,7 @@ function qtranxf_get_site_info(): array {
  * Simplified version of WP's add_query_arg
  * @since 3.2.8
  */
-function qtranxf_add_query_arg( string &$query, string $key_value ): void {
+function qtranxf_add_query_arg( ?string &$query, string $key_value ): void {
     if ( empty( $query ) ) {
         $query = $key_value;
     } else {