fix white screen when block is empty

2 years ago · ff0d8efced
1 changed files with 1 additions and 1 deletions
--- a/src/Plugin/Block/ReserveBlock.php
+++ b/src/Plugin/Block/ReserveBlock.php
@ -21,7 +21,7 @@ class ReserveBlock extends BlockBase {
  public function build() {
    $html = $this->getReserves();
    if (empty($html)) {
-      return '';
+      return [];
    }
    return [