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oci_set_client_identifier

(PHP 5.3.2, PECL OCI8 >= 1.4.0)

oci_set_client_identifierSets the client identifier

Descrição

bool oci_set_client_identifier ( resource $connection , string $client_identifier )

Sets the client identifier used by various database components to identify lightweight application users who authenticate as the same database user.

The client identifier is registered with the database when the next 'roundtrip' from PHP to the database occurs, typically when an SQL statement is executed.

The identifier can subsequently be queried, for example with SELECT SYS_CONTEXT('USERENV','CLIENT_IDENTIFIER') FROM DUAL. Database administration views such as V$SESSION will also contain the value. It can be used with DBMS_MONITOR.CLIENT_ID_TRACE_ENABLE for tracing and can also be used for auditing.

The value may be retained across page requests that use the same persistent connection.

Parâmetros

connection

An Oracle connection identifier, returned by oci_connect(), oci_pconnect(), or oci_new_connect().

client_identifier

User chosen string up to 64 bytes long.

Valor Retornado

Retorna TRUE em caso de sucesso ou FALSE em caso de falha.

Exemplos

Exemplo #1 Setting the client identifier to the application user

<?php

// Find the application user's login name
session_start();
$un my_validate_session($_SESSION['username']);
$c oci_connect('myschema''welcome''localhost/XE');

// Tell Oracle who that user is
oci_set_client_identifier($c$un);

// The next roundtrip to the database will piggyback the identifier
$s oci_parse($c'select mydata from mytable');
oci_execute($s);

// ...

?>

Notas

Cuidado

Roundtrip Gotcha

Some but not all OCI8 functions cause roundtrips. Roundtrips to the database may not occur with queries when result caching is enabled.

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sixd at php dot net
3 years ago
There's an article "PHP Web Auditing, Authorization and Monitoring with Oracle Database" at www.oracle.com/technetwork/articles/dsl/php-web-auditing-171451.html which is all about using oci_set_client_identifier()
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