Manual do PHP
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# SAMConnection->rollback()

(no version information, might be only in CVS)

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

## Descrição

class SAMConnection {
bool rollback ( void )
}

Rolls back an in-flight unit of work.

## Valores de retornado

This method returns `FALSE` if an error occurs.

## Exemplos

Exemplo 1. Cancelling an in-flight unit of work
`<?php if (!$conn->rollback()) { // The rollback failed! echo "Rollback failed ($conn->errno) $conn->error"; } ?>`

## Veja também

SAMConnection->commit()

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SAMConnection->remove() | Acima | SAMConnection->send()