MDL-83044 core_block: Add return value check on form submission

2025-05-26 23:03:27 +08:00
parent a52fbcced6
commit 114ff5fa92
1 changed files with 5 additions and 0 deletions
@@ -441,6 +441,11 @@ class block_edit_form extends \core_form\dynamic_form {
            $blockregion = $this->optional_param('blockregion', null, PARAM_TEXT);
            $newblock = $this->page->blocks->add_block_at_end_of_default_region($this->block->name(),
                empty($blockregion) ? null : $blockregion);
+
+            if (empty($newblock)) {
+                return;
+            }
+
            $this->page->blocks->load_blocks();
            $newblock = $this->page->blocks->find_instance($newblock->instance->id);
            $newdata = $this->prepare_defaults($newblock->instance);