#string pq\Transaction::exportSnapshot()

Export a snapshot for transaction synchronization. See pq\Transaction::importSnapshot().

Params:#

None.

Returns:#

• string, the snapshot identifier usable with pq\Transaction::importSnapshot().

Throws:#

• pq\Exception\InvalidArgumentException
• pq\Exception\BadMethodCallException
• pq\Exception\RuntimeException
• pq\Exception\DomainException