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| Dir : /home2/medicu/.trash/pixelyoursite-pro.3/vendor_prefix/guzzlehttp/promises/src/TaskQueue.php |
<?php
namespace PYS_PRO_GLOBAL\GuzzleHttp\Promise;
/**
* A task queue that executes tasks in a FIFO order.
*
* This task queue class is used to settle promises asynchronously and
* maintains a constant stack size. You can use the task queue asynchronously
* by calling the `run()` function of the global task queue in an event loop.
*
* GuzzleHttp\Promise\Utils::queue()->run();
*/
class TaskQueue implements \PYS_PRO_GLOBAL\GuzzleHttp\Promise\TaskQueueInterface
{
private $enableShutdown = \true;
private $queue = [];
public function __construct($withShutdown = \true)
{
if ($withShutdown) {
\register_shutdown_function(function () {
if ($this->enableShutdown) {
// Only run the tasks if an E_ERROR didn't occur.
$err = \error_get_last();
if (!$err || $err['type'] ^ \E_ERROR) {
$this->run();
}
}
});
}
}
public function isEmpty()
{
return !$this->queue;
}
public function add(callable $task)
{
$this->queue[] = $task;
}
public function run()
{
while ($task = \array_shift($this->queue)) {
/** @var callable $task */
$task();
}
}
/**
* The task queue will be run and exhausted by default when the process
* exits IFF the exit is not the result of a PHP E_ERROR error.
*
* You can disable running the automatic shutdown of the queue by calling
* this function. If you disable the task queue shutdown process, then you
* MUST either run the task queue (as a result of running your event loop
* or manually using the run() method) or wait on each outstanding promise.
*
* Note: This shutdown will occur before any destructors are triggered.
*/
public function disableShutdown()
{
$this->enableShutdown = \false;
}
}