imap_fetchheader

(PHP 4, PHP 5, PHP 7, PHP 8)

imap_fetchheaderReturns header for a message

Description

imap_fetchheader(IMAP\Connection $imap, int $message_num, int $flags = 0): string|false

This function causes a fetch of the complete, unfiltered » RFC2822 format header of the specified message.

Parameters

imap

An IMAP\Connection instance.

message_num

The message number

flags

The possible flags are:

  • FT_UID - The message_num argument is a UID
  • FT_INTERNAL - The return string is in "internal" format, without any attempt to canonicalize to CRLF newlines
  • FT_PREFETCHTEXT - The RFC822.TEXT should be pre-fetched at the same time. This avoids an extra RTT on an IMAP connection if a full message text is desired (e.g. in a "save to local file" operation)

Return Values

Returns the header of the specified message as a text string, or false on failure.

Changelog

Version Description
8.1.0 The imap parameter expects an IMAP\Connection instance now; previously, a valid imap resource was expected.

See Also

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