MQSeries MQBACK

mqseries Functions
mqseries_begin
mqseries Functions
PHP Manual

# mqseries_back

(PECL mqseries >= 0.10.0)

mqseries_back — MQSeries MQBACK

### Description

void mqseries_back ( resource `$hconn` , resource `&$compCode` , resource `&$reason` )

The mqseries_back() (MQBACK) call indicates to the queue manager that all the message gets and puts that have occurred since the last syncpoint are to be backed out. Messages put as part of a unit of work are deleted; messages retrieved as part of a unit of work are reinstated on the queue.

Using mqseries_back() only works in conjunction with mqseries_begin() and only function when connecting directly to a Queueu manager. Not via the mqclient interface.

### Parameters

`hConn`

  Connection handle.

  This handle represents the connection to the queue manager.

`compCode`

  Completion code.

`reason`

  Reason code qualifying the compCode.

### Return Values

No value is returned.

### Examples

Example #1 mqseries_back() example

`<?php
mqseries_back($conn, $comp_code, $reason);
if ($comp_code !== MQSERIES_MQCC_OK) {
printf("CompCode:%d Reason:%d Text:%s<br>\n", $comp_code, $reason, mqseries_strerror($reason));
}
?>`

### Notes

> Note:

> mqseries_back() will not function when using MQSeries Client to connect to a Queueu Manager.

### See Also

- mqseries_conn() - MQSeries MQCONN
- mqseries_connx() - MQSeries MQCONNX
- mqseries_begin() - MQseries MQBEGIN

mqseries Functions
mqseries_begin
mqseries Functions
PHP Manual