dbx_connect

(PHP 4 >= 4.0.6, PHP 5)

dbx_connect -- Open a connection/database

Description

object dbx_connect ( mixed module, string host, string database, string username, string password [, int persistent])

dbx_connect() returns an object on success, FALSE on error. If a connection has been made but the database could not be selected, the connection is closed and FALSE is returned. The persistent parameter can be set to DBX_PERSISTENT, if so, a persistent connection will be created.

The module parameter can be either a string or a constant, though the latter form is preferred. The possible values are given below, but keep in mind that they only work if the module is actually loaded.

The host, database, username and password parameters are expected, but not always used depending on the connect functions for the abstracted module.

The returned object has three properties:

database

It is the name of the currently selected database.

handle

It is a valid handle for the connected database, and as such it can be used in module-specific functions (if required).

<?php
$link
= dbx_connect(DBX_MYSQL, "localhost", "db", "username", "password");
mysql_close($link->handle); // dbx_close($link) would be better here
?>

module

It is used internally by dbx only, and is actually the module number mentioned above.

Example 1. dbx_connect() example

<?php
$link
= dbx_connect(DBX_ODBC, "", "db", "username", "password", DBX_PERSISTENT)
    or die(
"Could not connect");

echo
"Connected successfully";
dbx_close($link);
?>

Note: Always refer to the module-specific documentation as well.

See also dbx_close().


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