Elasticsearch: only throw error on actual decoding error

diff --git a/adminer/drivers/elastic.inc.php b/adminer/drivers/elastic.inc.php
index 33da2d33ea79c71efe537eac4a6b8402a92d71a3..a529debfec02ad96279ffe440322318267c25f3b 100644 (file)
--- a/adminer/drivers/elastic.inc.php
+++ b/adminer/drivers/elastic.inc.php
@@ -31,7 +31,7 @@ if (isset($_GET["elastic"])) {
                                        return false;
                                }
                                $return = json_decode($file, true);
-                               if (!$return) {
+                               if ($return === null) {
                                        $this->errno = json_last_error();
                                        if (function_exists('json_last_error_msg')) {
                                                $this->error = json_last_error_msg();