mirror of
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44 lines
1.2 KiB
PHP
44 lines
1.2 KiB
PHP
#!/usr/bin/env php
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<?php
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require \dirname(__DIR__) . '/vendor/autoload.php';
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use Amp\Loop;
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use Amp\Postgres;
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Loop::run(function () {
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$config = Postgres\ConnectionConfig::fromString('host=localhost user=postgres');
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$pool = Postgres\pool($config);
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$channel = "test";
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/** @var \Amp\Postgres\Listener $listener */
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$listener = yield $pool->listen($channel);
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\printf("Listening on channel '%s'\n", $listener->getChannel());
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Loop::delay(3000, function () use ($listener) { // Unlisten in 3 seconds.
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\printf("Unlistening from channel '%s'\n", $listener->getChannel());
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return $listener->unlisten();
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});
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Loop::delay(1000, function () use ($pool, $channel) {
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return $pool->notify($channel, "Data 1"); // Send first notification.
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});
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Loop::delay(2000, function () use ($pool, $channel) {
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return $pool->notify($channel, "Data 2"); // Send second notification.
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});
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while (yield $listener->advance()) {
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$notification = $listener->getCurrent();
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\printf(
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"Received notification from PID %d on channel '%s' with payload: %s\n",
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$notification->pid,
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$notification->channel,
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$notification->payload
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);
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}
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});
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