Bug #68731 [Asn]: finfo_buffer doesn't extract the correct mime with some gifs

Edit report at https://bugs.php.net/bug.php?id=68731&edit=1 ID: 68731 User updated by: sjaillet at gmail dot com Reported by: sjaillet at gmail dot com Summary: finfo_buffer doesn't extract the correct mime with some gifs Status: Assigned Type: Bug Package: Unknown/Other Function Operating System: Ubuntu 14.04.1 PHP Version: 5.6.4 Assigned To: ab Block user comment: N Private report: N New Comment: Btw something seems to go wrong at the byte 516 since: echo finfo_buffer($finfo, substr($buffer, 0, 515)); // Display 'image/gif' as expected echo finfo_buffer($finfo, substr($buffer, 0, 516)); // Display 'application/octet-stream' Previous Comments: ------------------------------------------------------------------------ [2015-01-03 03:31:50] sjaillet at gmail dot com Description: ------------ finfo_buffer doesn't extract the correct mime for gifs in PHP 5.6 Seems working as expected with PHP 5.5 & PHP 5.4 Test script: --------------- $buffer = file_get_contents('http://s30.postimg.org/t89w8ep3x/favicon.gif'); $finfo = finfo_open(FILEINFO_MIME_TYPE); echo finfo_buffer($finfo, $buffer); Expected result: ---------------- Should display "image/gif" Actual result: -------------- "application/octet-stream" ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=68731&edit=1