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oci_set_client_info

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(PHP 5 >= 5.3.2, PHP 7, PECL OCI8 >= 1.4.0)

oci_set_client_info — Sets the client information

Description

oci_set_client_info ( resource $connection , string $client_info ) : bool

Sets the client information for Oracle tracing.

The client information is registered with the database when the next 'round-trip' from PHP to the database occurs, typically when an SQL statement is executed.

The client information can subsequently be queried from database administration views such as V$SESSION.

The value may be retained across persistent connections.

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Parameters

connection

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

client_info

User chosen string up to 64 bytes long.

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Return Values

Returns TRUE on success or FALSE on failure.

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Examples

Example #1 Setting the client information

<?php

$c = oci_connect('hr', 'welcome', 'localhost/XE');

// Record the client information
oci_set_client_info($c, 'My Application Version 2');

// Code that causes a round-trip, for example a query:
$s = oci_parse($c, 'select * from dual');
oci_execute($s);
oci_fetch_all($s, $res);

sleep(30);

?> 
// While the script is running, the administrator can see the client
// information:

sqlplus system/welcome
SQL> select client_info from v$session;

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Notes

Note: Oracle version requirement

This function is available when PHP is linked with Oracle Database libraries from version 10g onwards.

Tip

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Performance

With older versions of OCI8 or the Oracle Database, the client information can be set using the Oracle DBMS_APPLICATION_INFO package. This is less efficient than using oci_set_client_info().

Caution

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Round-trip Gotcha

Some but not all OCI8 functions cause round-trips. Round-trips to the database may not occur with queries when result caching is enabled.

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See Also

Find a PHP function

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Document created the 30/01/2003, last modified the 26/10/2018
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References

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