vendor/open-telemetry/context/fiber/initialize_fiber_handler.php


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<?php

/** @noinspection PhpElementIsNotAvailableInCurrentPhpVersionInspection */
/** @phan-file-suppress PhanUndeclaredClassReference */

declare(strict_types=1);

namespace OpenTelemetry\Context;

use Fiber;

if (!class_exists(Fiber::class)) {
    return;
}

if (ZendObserverFiber::isEnabled() && ZendObserverFiber::init()) {
    // ffi fiber support enabled
} else {
    Context::setStorage(new FiberBoundContextStorage(Context::storage()));
}