Php/docs/function.dbx-connect

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dbx_connect

(PHP 4 >= 4.0.6, PHP 5 < 5.1.0, PECL dbx >= 1.1.0)

dbx_connectOpen a connection/database


Description

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

Opens a connection to a database.


Parameters

module
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.
  • DBX_MYSQL or "mysql"
  • DBX_ODBC or "odbc"
  • DBX_PGSQL or "pgsql"
  • DBX_MSSQL or "mssql"
  • DBX_FBSQL or "fbsql"
  • DBX_SYBASECT or "sybase_ct"
  • DBX_OCI8 or "oci8"
  • DBX_SQLITE or "sqlite"
host
The SQL server host
database
The database name
username
The username
password
The password
persistent
The persistent parameter can be set to DBX_PERSISTENT, if so, a persistent connection will be created.

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


Return Values

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 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.


Examples

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);?>

Notes

Note:

Always refer to the module-specific documentation as well.

See Also