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Doc Bug #73640 imap_search can't search HEADER
Submitted: 2016-12-02 08:51 UTC Modified: 2020-10-08 14:49 UTC
Votes:11
Avg. Score:4.7 ± 0.6
Reproduced:10 of 10 (100.0%)
Same Version:5 (50.0%)
Same OS:3 (30.0%)
From: sistemisti-posta at csi dot it Assigned: cmb (profile)
Status: Closed Package: IMAP related
PHP Version: 7.0.13 OS:
Private report: No CVE-ID: None
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 [2016-12-02 08:51 UTC] sistemisti-posta at csi dot it 
Description:
------------
imap_search can't search all headers released by IMAP protocol (RFC 3501).
See at https://tools.ietf.org/html/rfc3501#section-6.4.4
You can perform the following command:

  HEADER <field-name> <string>

But this option is not allowed from PHP imap_search.

Expected result:
----------------
Something like:

$string = sprintf('HEADER "%s" "%s"','Message-ID', 'dskljflsdjfskl@example.org');
imap_search($imapconn, $string, SE_UID);

This should return the uid of message with the Message-ID found.

Actual result:
--------------
At the moment, to search an header I can use this workaround:

$string = sprintf('%s "Message-ID: <%s>"','TEXT', 'dskljflsdjfskl@example.org');
imap_search($imapconn, $string, SE_UID);

But it's not safe, because with TEXT I find all occurrences of string

  "Message-ID: <dskljflsdjfskl@example.org>"

in headers or body too.

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 [2016-12-02 09:12 UTC] sistemisti-posta at csi dot it 
Ps: the current error returned with

$string = sprintf('%s %s "%s"','HEADER', 'Message-ID', 'kldjskljf@example.org');
imap_search($imapconn, $string, SE_UID);

is

 PHP Notice:  Unknown: Unknown search criterion: HEADER (errflg=2) in Unknown
 [2020-10-08 14:49 UTC] cmb@php.net
-Status: Open +Status: Verified -Type: Bug +Type: Documentation Problem -Assigned To: +Assigned To: cmb
 [2020-10-08 14:49 UTC] cmb@php.net 
> imap_search can't search all headers released by IMAP protocol
> (RFC 3501).

That is correct, because imap is built on top of libc-client,
which still only supports IMAP2-format search criteria.  Thus,
changing to doc problem.
 [2020-10-08 14:54 UTC] phpdocbot@php.net 
Automatic comment on behalf of cmb
Revision: http://git.php.net/?p=doc/en.git;a=commit;h=bab0d03aac3a3e6e0d18b8132ddc97d276ce3941
Log: Fix #73640: imap_search can't search HEADER
 [2020-10-08 14:54 UTC] phpdocbot@php.net
-Status: Verified +Status: Closed
 
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