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-rw-r--r--program/include/rcube_db.php12
1 files changed, 9 insertions, 3 deletions
diff --git a/program/include/rcube_db.php b/program/include/rcube_db.php
index 33dcbe975..01abfc8b4 100644
--- a/program/include/rcube_db.php
+++ b/program/include/rcube_db.php
@@ -266,11 +266,17 @@ class rcube_db
/**
* Getter for error state
*
- * @return boolean True on error
+ * @param int $res_id Optional query result identifier
+ *
+ * @return boolean True on error, False otherwise
*/
- public function is_error()
+ public function is_error($res_id = null)
{
- return $this->db_error ? $this->db_error_msg : false;
+ if ($res_id !== null) {
+ return $this->_get_result($res_id) === false;
+ }
+
+ return $this->db_error;
}
/**