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32 lines
1.3 KiB
PHP
32 lines
1.3 KiB
PHP
<?php
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require __DIR__ . '/../vendor/autoload.php';
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Amp\run(function() {
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$ticker = function() {
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$now = time();
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$vowel = ($now % 2) ? 'i' : 'o';
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echo "t{$vowel}ck ", $now, "\n";
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};
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// Execute the specified callback ASAP in the next event loop iteration. There is no
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// need to clear an "immediately" watcher after execution. The Reactor will automatically
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// garbage collect resources associated with one-time events after they finish executing.
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Amp\immediately($ticker);
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// Execute every $msInterval milliseconds until the resulting $watcherId is cancelled.
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// At some point in the future we need to cancel this watcher or our program will never end.
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$repeatingWatcherId = Amp\repeat($ticker, $msInterval = 1000);
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// Five seconds from now let's cancel the repeating ticker we just registered
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Amp\once(function() use ($repeatingWatcherId) {
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Amp\cancel($repeatingWatcherId);
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echo "Cancelled repeating ticker\n";
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}, $msDelay = 5000);
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// After about five seconds the program will exit on its own. Why? This happens because in
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// that time frame we will have cancelled the repeating watcher we registered using repeat()
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// and the two one-off events (immediately() + once()) are automatically garbage collected
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// by the Reactor after they execute.
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});
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