Fix #14987 - Add check for empty input to change_collation

Fixes: #14987
Signed-off-by: William Desportes <williamdes@wdes.fr>

1 files changed, 12 insertions, 0 deletions

diff --git a/tbl_operations.php b/tbl_operations.php
index 4ff5ab9d69..5ce82ee175 100644
--- a/tbl_operations.php
+++ b/tbl_operations.php
@@ -214,6 +214,18 @@ if (isset($_POST['submitoptions'])) {
             $GLOBALS['db'], $GLOBALS['table'], $_POST['tbl_collation']
         );
     }
+
+    if (isset($_POST['tbl_collation']) && empty($_POST['tbl_collation'])) {
+        $response = Response::getInstance();
+        if ($response->isAjax()) {
+            $response->setRequestStatus(false);
+            $response->addJSON(
+                'message',
+                Message::error(__('No collation provided.'))
+            );
+            exit;
+        }
+    }
 }
 /**
  * Reordering the table has been requested by the user