MDL-78642 mod_assign: typecast portfolio button renderer return.

Internally the button return is nullable, which we need to account for in the renderer.
2023-07-05 13:51:48 +01:00
parent 8dbb6183ff
commit d9a379a1c3
1 changed files with 2 additions and 1 deletions
@@ -1443,7 +1443,8 @@ class renderer extends \plugin_renderer_base {
        ];
        $button->set_callback_options('assign_portfolio_caller', $portfolioparams, 'mod_assign');
        $button->set_format_by_file($file);
-        return $button->to_html(PORTFOLIO_ADD_ICON_LINK);
+
+        return (string) $button->to_html(PORTFOLIO_ADD_ICON_LINK);
    }

    /**