Developer
<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Mailer\Transport;
use Psr\EventDispatcher\EventDispatcherInterface;
use Psr\Log\LoggerInterface;
use Psr\Log\NullLogger;
use Symfony\Component\Mailer\Envelope;
use Symfony\Component\Mailer\Event\MessageEvent;
use Symfony\Component\Mailer\SentMessage;
use Symfony\Component\Mime\Address;
use Symfony\Component\Mime\RawMessage;
/**
* @author Fabien Potencier <fabien@symfony.com>
*/
abstract class AbstractTransport implements TransportInterface
{
private $dispatcher;
private $logger;
private float $rate = 0;
private float $lastSent = 0;
public function __construct(EventDispatcherInterface $dispatcher = null, LoggerInterface $logger = null)
{
$this->dispatcher = $dispatcher;
$this->logger = $logger ?? new NullLogger();
}
/**
* Sets the maximum number of messages to send per second (0 to disable).
*
* @return $this
*/
public function setMaxPerSecond(float $rate): static
{
if (0 >= $rate) {
$rate = 0;
}
$this->rate = $rate;
$this->lastSent = 0;
return $this;
}
public function send(RawMessage $message, Envelope $envelope = null): ?SentMessage
{
$message = clone $message;
$envelope = null !== $envelope ? clone $envelope : Envelope::create($message);
if (null !== $this->dispatcher) {
$event = new MessageEvent($message, $envelope, (string) $this);
$this->dispatcher->dispatch($event);
$envelope = $event->getEnvelope();
$message = $event->getMessage();
}
$message = new SentMessage($message, $envelope);
$this->doSend($message);
$this->checkThrottling();
return $message;
}
abstract protected function doSend(SentMessage $message): void;
/**
* @param Address[] $addresses
*
* @return string[]
*/
protected function stringifyAddresses(array $addresses): array
{
return array_map(function (Address $a) {
return $a->toString();
}, $addresses);
}
protected function getLogger(): LoggerInterface
{
return $this->logger;
}
private function checkThrottling()
{
if (0 == $this->rate) {
return;
}
$sleep = (1 / $this->rate) - (microtime(true) - $this->lastSent);
if (0 < $sleep) {
$this->logger->debug(sprintf('Email transport "%s" sleeps for %.2f seconds', __CLASS__, $sleep));
usleep($sleep * 1000000);
}
$this->lastSent = microtime(true);
}
}
Developer
To access the Kueue Pay Developer API, you’ll need an API key. You can obtain your API key by logging in to your Kueue Pay merchant account and navigating to the API section. Collect Client ID , Secret ID & Merchant ID Carefully. Keep your API key confidential and do not share it publicly.