(No version information available, might be only in CVS)
stmt->free_result() — Frees stored result memory for the given statement handle
Procedural style:
Object oriented style (method):
Frees the result memory associated with the statement, which was allocated by mysqli_stmt_store_result().
Procedural style only: A statement identifier returned by mysqli_stmt_init().
Эта функция не возвращает значения после выполнения.