XXI. dbx functions

Introducción

The dbx module is a database abstraction layer (db 'X', where 'X' is a supported database). The dbx functions allow you to access all supported databases using a single calling convention. The dbx-functions themselves do not interface directly to the databases, but interface to the modules that are used to support these databases.

Requerimientos

To be able to use a database with the dbx-module, the module must be either linked or loaded into PHP, and the database module must be supported by the dbx-module. Currently, following databases are supported, but others will follow (soon, I hope :-):

Documentation for adding additional database support to dbx can be found at http://www.guidance.nl/php/dbx/doc/.

Instalación

In order to have these functions available, you must compile PHP with dbx support by using the --enable-dbx option and all options for the databases that will be used, e.g. for MySQL you must also specify --with-mysql=[DIR]. To get other supported databases to work with the dbx-module refer to their specific documentation.

Configuración en tiempo de ejecución

Esta extensión no define ninguna directiva de configuración.

Tipos de recursos

There are two resource types used in the dbx module. The first one is the link-object for a database connection, the second a result-object which helds the result of a query.

Constantes predefinidas

Estas constantes están definidas por esta extensión y estarán disponibles solamente cuando la extensión ha sido o bien compilada dentro de PHP o grabada dinamicamente en tiempo de ejecución.

DBX_MYSQL (integer)

DBX_ODBC (integer)

DBX_PGSQL (integer)

DBX_MSSQL (integer)

DBX_FBSQL (integer)

DBX_OCI8 (integer)

DBX_SYBASECT (integer)

DBX_PERSISTENT (integer)

DBX_RESULT_INFO (integer)

DBX_RESULT_INDEX (integer)

DBX_RESULT_ASSOC (integer)

DBX_CMP_NATIVE (integer)

DBX_CMP_TEXT (integer)

DBX_CMP_NUMBER (integer)

DBX_CMP_ASC (integer)

DBX_CMP_DESC (integer)

Tabla de contenidos
dbx_close -- Close an open connection/database
dbx_compare -- Compare two rows for sorting purposes
dbx_connect -- Open a connection/database
dbx_error --  Report the error message of the latest function call in the module (not just in the connection)
dbx_query -- Send a query and fetch all results (if any)
dbx_sort --  Sort a result from a dbx_query by a custom sort function