Predefined Constants

The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.

The following constants to use with maxdb_options are defined. For further description of these constants see » http://maxdb.sap.com/documentation/.

**MaxDB PHP client constants**
Constant	Description
MAXDB_COMPNAME	The component name used to initialise the SQLDBC runtime environment.
MAXDB_APPLICATION	The application to be connected to the database.
MAXDB_APPVERSION	The version of the application.
MAXDB_SQLMODE	The SQL mode.
MAXDB_UNICODE	TRUE, if the connection is an unicode (UCS2) client or FALSE, if not.
MAXDB_TIMEOUT	The maximum allowed time of inactivity after which the connection to the database is closed by the system.
MAXDB_ISOLATIONLEVEL	Specifies whether and how shared locks and exclusive locks are implicitly requested or released.
MAXDB_PACKETCOUNT	The number of different request packets used for the connection.
MAXDB_STATEMENTCACHESIZE	The number of prepared statements to be cached for the connection for re-use.
MAXDB_CURSORPREFIX	The prefix to use for result tables that are automatically named.

The function maxdb_fetch_array uses a constant for the different types of result arrays. The following constants are defined:

**MaxDB fetch constants**
Constant	Description
MAXDB_ASSOC	Columns are returned into the array having the fieldname as the array index.
MAXDB_ASSOC_UPPER	Columns are returned into the array having the upper case fieldname as the array index.
MAXDB_ASSOC_LOWER	Columns are returned into the array having the lower case fieldname as the array index.
MAXDB_BOTH	Columns are returned into the array having both a numerical index and the fieldname as the array index.
MAXDB_NUM	Columns are returned into the array having a numerical index to the fields. This index starts with 0, the first field in the result.