$con->begin("tx1");
for ($i = 1; $i < 3; $i++) {
$con->send("/queue/transactions", $i, array("transaction" => "tx1"));
}
// if we abort transaction, messages will not be sent
$con->abort("tx1");
// now send some messages for real
$con->begin("tx2");
echo "Sent messages {\n";
for ($i = 1; $i < 5; $i++) {
echo "\t{$i}\n";
$con->send("/queue/transactions", $i, array("transaction" => "tx2"));
}
echo "}\n";
// they will be available for consumers after commit
$con->commit("tx2");
// try to receive some messages
$con->begin("tx3");
$messages = array();
for ($i = 1; $i < 3; $i++) {
$msg = $con->readFrame();
array_push($messages, $msg);
$con->ack($msg, "tx3");
}
// of we abort transaction, we will "rollback" out acks
$con->abort("tx3");
$con->begin("tx4");
// so we need to ack received messages again
// before we can receive more (prefetch = 1)
if (count($messages) != 0) {
foreach ($messages as $msg) {
<?php
// include a library
require_once "Stomp.php";
// make a connection
$con = new Stomp("tcp://localhost:61613");
// connect
$con->connect();
// try to send some messages
$con->begin("tx1");
for ($i = 1; $i < 3; $i++) {
$con->send("/queue/transactions", $i, array("transaction" => "tx1"));
}
// if we abort transaction, messages will not be sent
$con->abort("tx1");
// now send some messages for real
$con->begin("tx2");
echo "Sent messages {\n";
for ($i = 1; $i < 5; $i++) {
$con->send("/queue/transactions", $i, array("transaction" => "tx2"));
echo "\t{$i}\n";
}
echo "}\n";
// they will be available for consumers after commit
$con->commit("tx2");
$con->abort("tx3");
$con->begin("tx4");
// so we need to ack received messages again
// before we can receive more (prefetch = 1)
if (count($messages) != 0) {
foreach ($messages as $msg) {
$con->ack($msg, "tx4");
}
}
// now receive more messages
for ($i = 1; $i < 3; $i++) {
$msg = $con->readFrame();
$con->ack($msg, "tx4");
array_push($messages, $msg);
}
// commit all acks
$con->commit("tx4");
echo "Processed messages {\n";
foreach ($messages as $msg) {
echo "\t{$msg->body}\n";
}
echo "}\n";
//ensure there are no more messages in the queue
$frame = $con->readFrame();
if ($frame === false) {
echo "No more messages in the queue\n";
} else {
echo "Warning: some messages still in the queue: {$frame}\n";
}
// disconnect
$con->disconnect();
