PHP - Manual: Pdo\Firebird
2025-10-24
(PHP 8 >= 8.4.0)
A PDO subclass representing a connection using the Firebird PDO driver.
$dsn,$username = null,$password = null,$options = null$dsn,$username = null,$password = null,$options = null$query, ?int $fetchMode = PDO::FETCH_COLUMN, int $colno): PDOStatement|false$query,$fetchMode = PDO::FETCH_CLASS,$classname,$constructorArgs$query, ?int $fetchMode = PDO::FETCH_INTO, object $object): PDOStatement|falsePdo\Firebird::ATTR_DATE_FORMATPdo\Firebird::ATTR_TIME_FORMATPdo\Firebird::ATTR_TIMESTAMP_FORMATPdo\Firebird::TRANSACTION_ISOLATION_LEVELPdo\Firebird::READ_COMMITTED,
Pdo\Firebird::REPEATABLE_READ,
or Pdo\Firebird::SERIALIZABLE.
Pdo\Firebird::READ_COMMITTEDPdo\Firebird::REPEATABLE_READPdo\Firebird::SERIALIZABLEPdo\Firebird::WRITABLE_TRANSACTIONREAD ONLY and READ WRITE.
By default, it is true indicating READ WRITE.