Bug #80860 [Opn->Dup]: Every ((65535*n)-1)th element in glob() and DirectoryIterator() appears twice

Edit report at https://bugs.php.net/bug.php?id=80860&edit=1 ID: 80860 Updated by: cmb@php.net Reported by: andrey dot budko at gmail dot com Summary: Every ((65535*n)-1)th element in glob() and DirectoryIterator() appears twice -Status: Open +Status: Duplicate Type: Bug Package: *Directory/Filesystem functions Operating System: win7, win10 PHP Version: 7.4.16 -Assigned To: +Assigned To: cmb Block user comment: N Private report: N New Comment: This is a duplicate of bug #36365, which cannot be fixed for PHP 7.4 for BC reasons. Previous Comments: ------------------------------------------------------------------------ [2021-03-13 12:02:31] andrey dot budko at gmail dot com Description: ------------ Every ((65535*n)-1)th element in glob() and DirectoryIterator() appears twice. Values of glob() array are not unique. Test script: --------------- <?php function foo($tmp_dir, $count){ for($i = 1; $i <= $count; $i++){ @mkdir($tmp_dir.'/'.$i, 0777, true); } $count_glob = count(glob($tmp_dir.'/*'), GLOB_ONLYDIR); $count_dir_iterator = 0; $dir = new \DirectoryIterator($tmp_dir); foreach($dir as $fileInfo){ if($fileInfo->isDir() && !$fileInfo->isDot()){ $count_dir_iterator++; } } return [$count_glob, $count_dir_iterator]; } echo foo('d:/test', 65533)."\n"; // 65533 echo foo('d:/test', 65534)."\n"; // 65535 echo foo('d:/test', 131068)."\n"; // 131069 echo foo('d:/test', 131069)."\n"; // 131071 ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=80860&edit=1