(PHP 4, PHP 5, PHP 7, PHP 8)
imap_headers — Returns headers for all messages in a mailbox
imap_headers(IMAP\Connection $imap): array|false
Returns headers for all messages in a mailbox.
imap
An IMAP\Connection instance.
Returns an array of string formatted with header info. One element per mail message. Returns false on failure.
| Version | Description |
|---|---|
| 8.1.0 | The imap parameter expects an IMAP\Connection instance now; previously, a valid imap resource was expected. |
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https://www.php.net/manual/en/function.imap-headers.php