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# ldap_connect

(PHP 3, PHP 4, PHP 5)

ldap_connect -- Connect to an LDAP server

## Descrição

resource ldap_connect ( [string hostname [, int port]] )

Establishes a connection to a LDAP server on a specified `hostname` and `port`.

## Parâmetros

`hostname`

  If you are using OpenLDAP 2.x.x you can specify a URL instead of the hostname. To use LDAP with SSL, compile OpenLDAP 2.x.x with SSL support, configure PHP with SSL, and set this parameter as `ldaps://hostname/`.

`port`

  The port to connect to. Not used when using URLs. Defaults to 389.

## Valores de retornado

Returns a positive LDAP link identifier on success, or `FALSE` on error. When OpenLDAP 2.x.x is used, ldap_connect() will always return a resource as it does not actually connect but just initializes the connecting parameters. The actual connect happens with the next calls to ldap_* funcs, usually with ldap_bind().

If no arguments are specified then the link identifier of the already opened link will be returned.

## Histórico

Versão | Descrição
--- | ---
4.0.4 | URL and SSL support was added.

## Exemplos

Exemplo 1. Example of connecting to LDAP server.
`<?php // LDAP variables $ldaphost = "ldap.example.com"; // your ldap servers $ldapport = 389; // your ldap server's port number // Connecting to LDAP $ldapconn = ldap_connect($ldaphost, $ldapport) or die("Could not connect to $ldaphost"); ?>`

Exemplo 2. Example of connecting securely to LDAP server.
`<?php // make sure your host is the correct one // that you issued your secure certificate to $ldaphost = "ldaps://ldap.example.com/"; // Connecting to LDAP $ldapconn = ldap_connect($ldaphost) or die("Could not connect to {$ldaphost}"); ?>`

## Veja também

ldap_bind()

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