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Stomp::subscribe

stomp_subscribe

(PECL stomp >= 0.1.0)

Stomp::subscribe -- stomp_subscribeRegisters to listen to a given destination

Description

Object-oriented style (method):

public Stomp::subscribe(string $destination, array $headers = ?): bool

Procedural style:

stomp_subscribe(resource $link, string $destination, array $headers = ?): bool

Registers to listen to a given destination.

Parameters

link

Procedural style only: The stomp link identifier returned by stomp_connect().

destination

Destination to subscribe to.

headers

Associative array containing the additional headers (example: receipt).

Return Values

Returns true on success or false on failure.

Examples

See stomp_ack().

Notes

Tip

Stomp is inherently asynchronous. Synchronous communication can be implemented adding a receipt header. This will cause methods to not return anything until the server has acknowledged receipt of the message or until read timeout was reached.

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User Contributed Notes 1 note

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holycd
6 years ago
Using Topics from PHP over Stomp
$clientId = 'test:dev';
$topic = '/topic/perm.user';

try {
$stomp = new Stomp('tcp://localhost:61613','system','manager', array('client-id'=> $clientId ));
} catch(StompException $e) {
die('Connection failed: ' . $e->getMessage());
}

$isSubscribe = $stomp->subscribe($topic);

while($isSubscribe){
if ($stomp->hasFrame()) {
$frame = $stomp->readFrame();
if ($frame != NULL) {
print "Received: " . $frame->body . " - time now is " . date("Y-m-d H:i:s"). "\n";
// $stomp->ack($frame);
}
// sleep(1);
}
else {
print "No frames to read\n";
}
}
if($isSubscribe){
$stomp->unsubscribe($topic);
unset($stomp);
}

Can not receive the topic frame
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