Bug #77389 [NEW]: NAN is not correctly defined in binary representation on Windows

From: fghamsary at v3d dot fr Operating system: Windows PHP version: 7.2.13 Package: *General Issues Bug Type: Bug Bug description:NAN is not correctly defined in binary representation on Windows Description: ------------ I tested this code with different versions of php 5.6, 7.1 and 7.2 and it's the same with all. PHP 7.2.13 (cli) (built: Dec 5 2018 07:19:53) ( NTS MSVC15 (Visual C++ 2017) x64 ) Copyright (c) 1997-2018 The PHP Group Zend Engine v3.2.0, Copyright (c) 1998-2018 Zend Technologies PHP 7.2.6 (cli) (built: May 23 2018 20:29:37) ( NTS MSVC15 (Visual C++ 2017) x64 ) Copyright (c) 1997-2018 The PHP Group Zend Engine v3.2.0, Copyright (c) 1998-2018 Zend Technologies with Xdebug v2.6.0, Copyright (c) 2002-2018, by Derick Rethans PHP 5.6.36 (cli) (built: Apr 25 2018 16:45:32) Copyright (c) 1997-2016 The PHP Group Zend Engine v2.6.0, Copyright (c) 1998-2016 Zend Technologies PHP 7.1.18 (cli) (built: May 24 2018 17:54:03) ( NTS MSVC14 (Visual C++ 2015) x64 ) Copyright (c) 1997-2018 The PHP Group Zend Engine v3.1.0, Copyright (c) 1998-2018 Zend Technologies with Xdebug v2.6.0, Copyright (c) 2002-2018, by Derick Rethans Test script: --------------- function printBytes($bytes) { foreach (str_split($bytes) as $b) printf('%02x ', ord($b)); echo "\n"; } printBytes(pack('d', (double)NAN)); printBytes(pack('f', (float)NAN)); Expected result: ---------------- 00 00 00 00 00 00 f8 7f 00 00 c0 7f Actual result: -------------- 00 00 00 00 00 00 f8 ff 00 00 c0 ff -- Edit bug report at https://bugs.php.net/bug.php?id=77389&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=77389&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=77389&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=77389&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=77389&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=77389&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=77389&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=77389&r=needscript Try newer version: https://bugs.php.net/fix.php?id=77389&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=77389&r=support Expected behavior: https://bugs.php.net/fix.php?id=77389&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=77389&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=77389&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=77389&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=77389&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=77389&r=dst IIS Stability: https://bugs.php.net/fix.php?id=77389&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=77389&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=77389&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=77389&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=77389&r=mysqlcfg