Bug #71316 [Com]: libpng warning from imagecreatefromstring

Edit report at https://bugs.php.net/bug.php?id=71316&edit=1 ID: 71316 Comment by: rtrtrtrtrt at dfdfdfdf dot dfd Reported by: humbads at alum dot mit dot edu Summary: libpng warning from imagecreatefromstring Status: Open Type: Bug Package: GD related Operating System: FreeBSD 10.2 PHP Version: 5.6.17 Block user comment: N Private report: N New Comment: amazing for how many years random shit don't get fixed and no i don't care who and where is resposnible Previous Comments: ------------------------------------------------------------------------ [2020-11-04 19:47:03] humbads at alum dot mit dot edu Here is a workaround for the "libpng warning: Interlace handling should be turned on when using png_read_image" warnings emitted to stdout. $command = "mogrify -interlace none *.png"; exec($command); Call this prior to calling imagecreatefromstring. ------------------------------------------------------------------------ [2020-07-10 10:35:52] bugreports2 at gmail dot com this just sucks wehn you verify that some file is really a png and get spewed by this messages (and no fileinfo is useless given that many errors it makes over years) libpng warning: Interlace handling should be turned on when using png_read_image libpng warning: Interlace handling should be turned on when using png_read_image libpng warning: Interlace handling should be turned on when using png_read_image libpng warning: Interlace handling should be turned on when using png_read_image libpng warning: Interlace handling should be turned on when using png_read_image libpng warning: Interlace handling should be turned on when using png_read_image libpng warning: Interlace handling should be turned on when using png_read_image libpng warning: Interlace handling should be turned on when using png_read_image libpng warning: Interlace handling should be turned on when using png_read_image libpng warning: Interlace handling should be turned on when using png_read_image libpng warning: Interlace handling should be turned on when using png_read_image libpng warning: Interlace handling should be turned on when using png_read_image libpng warning: Interlace handling should be turned on when using png_read_image libpng warning: Interlace handling should be turned on when using png_read_image libpng warning: Interlace handling should be turned on when using png_read_image libpng warning: Interlace handling should be turned on when using png_read_image libpng warning: iCCP: known incorrect sRGB profile libpng warning: iCCP: CRC error ------------------------------------------------------------------------ [2018-07-13 09:29:00] divinity76 at gmail dot com can't be captured with ob_start() either, does anybody have a workaround? ------------------------------------------------------------------------ [2018-07-13 08:31:00] divinity76+spam at gmail dot com can reproduce on php 7.1.17 @ ubuntu 17.10 (aka i inconveniently encountered this bug) ------------------------------------------------------------------------ [2016-09-05 09:47:14] cmb@php.net This appears to be a general libgd issue, so I've reported <https://github.com/libgd/libgd/issues/295> upstream. ------------------------------------------------------------------------ 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=71316 -- Edit this bug report at https://bugs.php.net/bug.php?id=71316&edit=1