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Fix flattenParts() for PARTY_TYPE_TWO #749

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Merged
Sebbo94BY merged 1 commit into from
May 10, 2026
Merged

Fix flattenParts() for PARTY_TYPE_TWO #749

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2 changes: 1 addition & 1 deletion src/PhpImap/Mailbox.php
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Original file line number Diff line number Diff line change
Expand Up @@ -1387,7 +1387,7 @@ public function flattenParts(array $messageParts, array $flattenedParts = [], st
$part_parts = $part->parts;

if (self::PART_TYPE_TWO == $part->type) {
$flattenedParts = $this->flattenParts($part_parts, $flattenedParts, $prefix.$index.'.', 0, false);
$flattenedParts = $this->flattenParts($part_parts, $flattenedParts, $prefix.$index.'.', 1, false);
} elseif ($fullPrefix) {
$flattenedParts = $this->flattenParts($part_parts, $flattenedParts, $prefix.$index.'.');
} else {
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27 changes: 27 additions & 0 deletions tests/unit/MailboxTest.php
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Original file line number Diff line number Diff line change
Expand Up @@ -210,6 +210,33 @@ public function testServerEncodingOnlyUseSupportedSettings(bool $bool, string $e
}
}

public function testFlattenPartsStartsRfc822SubPartsWithOne(): void
{
$plainTextPart = (object) [
'type' => TYPETEXT,
'subtype' => 'PLAIN',
];
$htmlPart = (object) [
'type' => TYPETEXT,
'subtype' => 'HTML',
];
$multipartAlternative = (object) [
'type' => TYPEMULTIPART,
'subtype' => 'ALTERNATIVE',
'parts' => [$plainTextPart, $htmlPart],
];
$rfc822Part = (object) [
'type' => Mailbox::PART_TYPE_TWO,
'subtype' => 'RFC822',
'parts' => [$multipartAlternative],
];

$flattenedParts = $this->getMailbox()->flattenParts([$rfc822Part]);

$this->assertSame(['1', '1.1', '1.2'], \array_keys($flattenedParts));
$this->assertArrayNotHasKey('1.0', $flattenedParts);
}

/**
* Test, that the IMAP search option has a default value
* 1 => SE_UID
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