Rolls back current transaction

# mysqli::rollback

# mysqli_rollback

(PHP 5, PHP 7, PHP 8)

mysqli::rollback -- mysqli_rollback — Rolls back current transaction

### Description

Object-oriented style

public mysqli::rollback(int `$flags` = 0, ?string `$name` = `null`): bool

Procedural style

mysqli_rollback(mysqli `$mysql`, int `$flags` = 0, ?string `$name` = `null`): bool

Rollbacks the current transaction for the database.

### Parameters

`mysql`

  Procedural style only: A mysqli object returned by mysqli_connect() or mysqli_init()

`flags`

  A bitmask of `MYSQLI_TRANS_COR_*` constants.

`name`

  If provided then `ROLLBACK/*name*/` is executed.

### Return Values

Returns `true` on success or `false` on failure.

### Errors/Exceptions

If mysqli error reporting is enabled (`MYSQLI_REPORT_ERROR`) and the requested operation fails, a warning is generated. If, in addition, the mode is set to `MYSQLI_REPORT_STRICT`, a mysqli_sql_exception is thrown instead.

### Changelog

Version | Description
--- | ---
8.0.0 | `name` is now nullable.

### Examples

See the mysqli::begin_transaction() example.

### Notes

> Note:

> This function does not work with non transactional table types (like MyISAM or ISAM).

### See Also

- mysqli_begin_transaction() - Starts a transaction
- mysqli_commit() - Commits the current transaction
- mysqli_autocommit() - Turns on or off auto-committing database modifications
- mysqli_release_savepoint() - Removes the named savepoint from the set of savepoints of the current transaction

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