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- <?php
- namespace Symfony\Component\Mime\Part\Multipart;
- use Symfony\Component\Mime\Part\AbstractMultipartPart;
- use Symfony\Component\Mime\Part\AbstractPart;
- final class RelatedPart extends AbstractMultipartPart
- {
- private $mainPart;
- public function __construct(AbstractPart $mainPart, AbstractPart $part, AbstractPart ...$parts)
- {
- $this->mainPart = $mainPart;
- $this->prepareParts($part, ...$parts);
- parent::__construct($part, ...$parts);
- }
- public function getParts(): array
- {
- return array_merge([$this->mainPart], parent::getParts());
- }
- public function getMediaSubtype(): string
- {
- return 'related';
- }
- private function generateContentId(): string
- {
- return bin2hex(random_bytes(16)).'@symfony';
- }
- private function prepareParts(AbstractPart ...$parts): void
- {
- foreach ($parts as $part) {
- if (!$part->getHeaders()->has('Content-ID')) {
- $part->getHeaders()->setHeaderBody('Id', 'Content-ID', $this->generateContentId());
- }
- }
- }
- }
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