Swoole\Coroutine\Channel->isEmpty()

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4. Swoole\Coroutine\Channel->isEmpty()

Swoole Coroutine Channel isEmpty

Declaration

<?php
Swoole\Coroutine\Channel->isEmpty(): bool

Parameters

None

Return

Returns true if the channel is empty, false otherwise.

Description

Determine whether the current channel is empty.

Example

<?php
Co\run(function() {

    $data = 'Hello World!';

    $chan = new chan(1);
    $chan->push($data);
    $pop = $chan->pop();

    var_dump($chan->isEmpty());

});