php的帮助文档,涉及到PHP的案例和基本语法,以及实际应用内容

												 				  The PDO class				  				 				 				 Large Objects (LOBs)				 PDO::beginTransaction				 PDO				 PHP Manual								 The PDO class				 				 				 				 								  				   Introduction				   				    Represents a connection between PHP and a database server.				   				  								 				  				   Class synopsis				 								   				    PDO				 								    				     				      PDO				     				     {								 				    				    PDO::__construct				    ( string $dsn				   [, string $username				   [, string $password				   [, array $driver_options				  ]]] )								    				   bool PDO::beginTransaction				    ( void				   )								   bool PDO::commit				    ( void				   )								   string PDO::errorCode				    ( void				   )								   array PDO::errorInfo				    ( void				   )								   int PDO::exec				    ( string $statement				   )								   mixed PDO::getAttribute				    ( int $attribute				   )								   array PDO::getAvailableDrivers				    ( void				   )								   string PDO::lastInsertId				    ([ string $name				  ] )								   PDOStatement PDO::prepare				    ( string $statement				   [, array $driver_options				  ] )								   PDOStatement PDO::query				    ( string $statement				   )								   string PDO::quote				    ( string $string				   [, int $parameter_type				  ] )								   bool PDO::rollBack				    ( void				   )								   bool PDO::setAttribute				    ( int $attribute				   , mixed $value				   )												 				   }				  				 				 				 				 																																																																																																																																																																																																																																																																																																																																																				 				Table of ContentsPDO::beginTransaction 鈥