The PDO class

简介

Represents a connection between PHP and a database server.

PDO

PDO {

__construct ( string $dsn [, string $username [, string $password [, array $driver_options ]]] )

bool beginTransaction ( void )

bool commit ( void )

mixed errorCode ( void )

array errorInfo ( void )

int exec ( string $statement )

mixed getAttribute ( int $attribute )

array getAvailableDrivers ( void )

string lastInsertId ([ string $name=NULL ] )

PDOStatement prepare ( string $statement [, array $driver_options=array() ] )

PDOStatement query ( string $statement )

string quote ( string $string [, int $parameter_type=PDO::PARAM_STR ] )

bool rollBack ( void )

bool setAttribute ( int $attribute , mixed $value )

}

PDO::beginTransaction — Initiates a transaction
PDO::commit — Commits a transaction
PDO::__construct — Creates a PDO instance representing a connection to a database
PDO::errorCode — Fetch the SQLSTATE associated with the last operation on the database handle
PDO::errorInfo — Fetch extended error information associated with the last operation on the database handle
PDO::exec — Execute an SQL statement and return the number of affected rows
PDO::getAttribute — Retrieve a database connection attribute
PDO::getAvailableDrivers — Return an array of available PDO drivers
PDO::lastInsertId — Returns the ID of the last inserted row or sequence value
PDO::prepare — Prepares a statement for execution and returns a statement object
PDO::query — Executes an SQL statement, returning a result set as a PDOStatement object
PDO::quote — Quotes a string for use in a query.
PDO::rollBack — Rolls back a transaction
PDO::setAttribute — Set an attribute