Bug #79681 [Com]: mime_content_type/finfo returning incorrect mimetype

Edit report at https://bugs.php.net/bug.php?id=79681&edit=1 ID: 79681 Comment by: jamier105+php at gmail dot com Reported by: xandros92 at gmail dot com Summary: mime_content_type/finfo returning incorrect mimetype Status: Closed Type: Bug Package: *Directory/Filesystem functions Operating System: Windows 10 1909 PHP Version: 7.4.6 Assigned To: cmb Block user comment: N Private report: N New Comment: https://drive.google.com/file/d/1QrF9iZBjmfgZGvOjrSVORfM6uI-nyidX/view?usp=sharing Previous Comments: ------------------------------------------------------------------------ [2020-11-19 17:42:38] cmb@php.net Please provide the example file! :) ------------------------------------------------------------------------ [2020-11-19 17:32:19] jamier105+php at gmail dot com Please can this bug be reopened and checked again as I can recreate it using PHP 7.4.12: $ php7.3 -v PHP 7.3.24-3+ubuntu18.04.1+deb.sury.org+1 (cli) (built: Oct 31 2020 16:59:59) ( NTS ) Copyright (c) 1997-2018 The PHP Group $ php7.3 -r 'echo finfo_file(finfo_open(), __DIR__ . "/my_file.mp3", FILEINFO_MIME). "\n";' audio/mpeg; charset=binary $ php7.4 -v PHP 7.4.12 (cli) (built: Oct 31 2020 17:04:09) ( NTS ) Copyright (c) The PHP Group $ php7.4 -r 'echo finfo_file(finfo_open(), __DIR__ . "/my_file.mp3", FILEINFO_MIME). "\n";' application/x-font-gdos; charset=binary An example file can be provided if needed. Thanks. ------------------------------------------------------------------------ [2020-06-10 14:41:41] cmb@php.net Automatic comment on behalf of cmbecker69@gmx.de Revision: http://git.php.net/?p=php-src.git;a=commit;h=6747068ce716ca9e458b245489086d7ff13109b9 Log: Fix #79681: mime_content_type/finfo returning incorrect mimetype ------------------------------------------------------------------------ [2020-06-09 13:49:45] cmb@php.net Thanks for the samples! I can confirm the behavior. Reporting the .xml.gz as application/gzip is actually an improvement, since this mime type is registered[1]. Reporting the .mp3 as application/x-font-gdos is obviously wrong, and has been fixed[2] for file 5.38. [1] <https://www.iana.org/assignments/media-types/media-types.xhtml> [2] <https://github.com/file/file/commit/5a55569a35eff686d4b7400b219d380f7c622890> ------------------------------------------------------------------------ [2020-06-09 10:06:52] xandros92 at gmail dot com https://drive.google.com/drive/folders/1NZ48AWys6pTTvbfOoiEHXP2rLL93Tmjy?usp=sharing ------------------------------------------------------------------------ The remainder of the comments for this report are too long. To view the rest of the comments, please view the bug report online at https://bugs.php.net/bug.php?id=79681 -- Edit this bug report at https://bugs.php.net/bug.php?id=79681&edit=1