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# ifx_connect

(PHP 3 >= 3.0.3, PHP 4, PHP 5)

ifx_connect -- Open Informix server connection

## Descrição

resource ifx_connect ( [string database [, string userid [, string password]]] )

ifx_connect() establishes a connection to an Informix server.

In case a second call is made to ifx_connect() with the same arguments, no new link will be established, but instead, the link identifier of the already opened link will be returned.

The link to the server will be closed as soon as the execution of the script ends, unless it's closed earlier by explicitly calling ifx_close().

## Parâmetros

All of the arguments are optional, and if they're missing, defaults are taken from values supplied in `php.ini` (ifx.default_host for the host (Informix libraries will use `INFORMIXSERVER` environment value if not defined), ifx.default_user for user, ifx.default_password for the password (none if not defined).

`database`

  The database name, as a string.

`userid`

  The username, as a string.

`password`

  The password, as a string.

## Valores de retornado

Returns a connection identifier on success, or `FALSE` on error.

## Exemplos

Exemplo 1. Connect to a Informix database

`<?php $conn_id = ifx_connect ("mydb@ol_srv1", "imyself", "mypassword"); ?>`

## Veja também

ifx_pconnect()
ifx_close()

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