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48 lines
1.9 KiB
Markdown
48 lines
1.9 KiB
Markdown
# Utils
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Hyperf provides a large number of convenient utils. Some commonly used and useful ones but not all of them are listed in this section. For more details, please refer [hyperf/utils](https://github.com/hyperf/utils).
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## Coroutine Util
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### Hyperf\Utils\Coroutine
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This util is used to assist in the judgment or operation of the coroutine.
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#### id(): int
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Get current `coroutine ID` by using static method `id()`. If it is not under the coroutine environment return `-1`.
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#### create(callable $callable): int
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The static method `create(callable $callable)` can be used to create a coroutine. It can also be done by using global method `co(callable $callable)` and `go(callable $callable)`. The `create(callable $callable)` method is an encapsulation of the creation method in `Swoole`. The difference is that it will not throw out uncaught exceptions, which will be thrown by `Hyperf\Contract\StdoutLoggerInterface` as `warning` exceptions.
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#### inCoroutine(): bool
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`inCoroutine()` is a static method to determine whether it is currently in a coroutine environment.
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### Hyperf\Context\Context
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The `Context` is used to handle coroutine context. It is basically an encapsulation of `Swoole\Coroutine::getContext()`. However, the `Hyperf\Context\Context` is compatible with running in a non-coroutine environment.
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### Hyperf\Utils\Coordinator\CoordinatorManager
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The `CoordinatorManager` is used to schedule the coroutine when events occurred.
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```php
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<?php
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use Hyperf\Coordinator\CoordinatorManager;
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use Hyperf\Coordinator\Constants;
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use Hyperf\Coroutine\Coroutine;
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Coroutine::create(function() {
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// Invoked after all OnWorkerStart event callbacks are completed
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CoordinatorManager::until(Constants::WORKER_START)->yield();
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echo 'worker started';
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// Assigning resources
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// Invoked after all OnWorkerStart event callbacks are completed
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CoordinatorManager::until(Constants::WORKER_EXIT)->yield();
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echo 'worker exited';
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// Recycling resources
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});
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```
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