MDL-68564 outputrenderers: extend before_footer hook to allow output

2020-09-17 08:43:51 +02:00
parent 2bb6d2415f
commit 6ea01b6e99
1 changed files with 7 additions and 2 deletions
@@ -1385,15 +1385,20 @@ class core_renderer extends renderer_base {
    public function footer() {
        global $CFG, $DB;

+        $output = '';
+
        // Give plugins an opportunity to touch the page before JS is finalized.
        $pluginswithfunction = get_plugins_with_function('before_footer', 'lib.php');
        foreach ($pluginswithfunction as $plugins) {
            foreach ($plugins as $function) {
-                $function();
+                $extrafooter = $function();
+                if (is_string($extrafooter)) {
+                    $output .= $extrafooter;
+                }
            }
        }

-        $output = $this->container_end_all(true);
+        $output .= $this->container_end_all(true);

        $footer = $this->opencontainers->pop('header/footer');