# SAMConnection->rollback()

(No version information available, might be only in CVS)

SAMConnection->rollback() — Cancels (rolls back) an in-flight unit of work.

### Description

SAMConnection
bool rollback ( void )

Rolls back an in-flight unit of work.

### Return Values

This method returns `FALSE` if an error occurs.

### Examples

Example#1 Cancelling an in-flight unit of work

`<?php
if (!$conn->rollback()) {
// The rollback failed!
echo "Rollback failed ($conn->errno) $conn->error";
}
?>`

### See Also

- SAMConnection->commit()