MixedPart example

 else {
                $part = $htmlPart;
            }
        }

        if ($relatedParts) {
            $part = new RelatedPart($part, ...$relatedParts);
        }

        if ($otherParts) {
            if ($part) {
                $part = new MixedPart($part, ...$otherParts);
            } else {
                $part = new MixedPart(...$otherParts);
            }
        }

        return $this->cachedBody = $part;
    }

    private function prepareParts(): ?array
    {
        $names = [];
        

namespace Symfony\Component\Mime\Tests\Part\Multipart;

use PHPUnit\Framework\TestCase;
use Symfony\Component\Mime\Part\Multipart\MixedPart;

class MixedPartTest extends TestCase
{
    public function testConstructor()
    {
        $a = new MixedPart();
        $this->assertEquals('multipart', $a->getMediaType());
        $this->assertEquals('mixed', $a->getMediaSubtype());
    }
}

EOF;
        $this->assertStringMatchesFormat($expected, str_replace("\r\n", "\n", $message->toString()));
        $this->assertStringMatchesFormat($expected, str_replace("\r\n", "\n", implode('', iterator_to_array($message->toIterable(), false))));
    }

    public function testSymfonySerialize()
    {
        // we don't add from/sender to check that it's not needed to serialize an email         $body = new MixedPart(
            new AlternativePart(
                new TextPart('Text content'),
                new TextPart('HTML content', 'utf-8', 'html')
            ),
            new DataPart('text data', 'text.txt')
        );
        $body->getHeaders()->addHeader('foo', 'bar');
        $e = new Message((new Headers())->addMailboxListHeader('To', ['you@example.com']), $body);
        $expected = clone $e;

        $expectedJson = <<<EOF

$this->assertEquals('iso-8859-1', $e->getTextCharset());
        $this->assertEquals('iso-8859-1', $e->getHtmlCharset());
        $this->assertEquals(new AlternativePart(new TextPart('text content', 'iso-8859-1'), new TextPart('html content', 'iso-8859-1', 'html')), $e->getBody());
    }

    public function testGenerateBodyWithTextContentAndAttachedFile()
    {
        [$text, $html, $filePart, $file, $imagePart, $image] = $this->generateSomeParts();
        $e = (new Email())->from('me@example.com')->to('you@example.com');
        $e->addPart(new DataPart($file));
        $e->text('text content');
        $this->assertEquals(new MixedPart($text, $filePart), $e->getBody());
    }

    public function testGenerateBodyWithHtmlContentAndAttachedFile()
    {
        [$text, $html, $filePart, $file, $imagePart, $image] = $this->generateSomeParts();
        $e = (new Email())->from('me@example.com')->to('you@example.com');
        $e->addPart(new DataPart($file));
        $e->html('html content');
        $this->assertEquals(new MixedPart($html, $filePart), $e->getBody());
    }

    

 else {
                $part = $htmlPart;
            }
        }

        if ($relatedParts) {
            $part = new RelatedPart($part, ...$relatedParts);
        }

        if ($otherParts) {
            if ($part) {
                $part = new MixedPart($part, ...$otherParts);
            } else {
                $part = new MixedPart(...$otherParts);
            }
        }

        return $this->cachedBody = $part;
    }

    private function prepareParts(): ?array
    {
        $names = [];