Você procurou por: transactions (Coreano - Tcheco)

ovrimos sql server, is a client/server, transactional rdbms combined with web capabilities and fast transactions.
poznámka:

php itself doesn't handle transactions yet. thus if an error occurs no rollback is initiated. if you use components that support transactions you will have to implement the transaction management yourself.
php a jiné jazyky

pfpro_cleanup() is used to shutdown the payflow pro library cleanly. it should be called after you have processed any transactions and before the end of your script. however you may omit this call, in which case this extension will automatically call pfpro_cleanup() after your script terminates.
tuto funkci nicméně volat nemusíte, tato extenze automaticky zavolá pfpro_cleanup() při ukončení skriptu.