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pecl install openswoole-25.2.0 | composer require openswoole/core:22.1.5
<?php OpenSwoole\Coroutine\Channel->length(): int
Returns an integer of how many items are currently in the channel.
Gets the length of queue in the Channel.
<?php
co::run(function() {
$data = 'Hello World!';
$chan = new chan(1);
$chan->push($data);
$pop = $chan->pop();
var_dump($chan->length());
});