Bug #75713 [NEW]: Serialization bug: wrong variable name length

From: axtux at hotmail dot com Operating system: Linux/Ubuntu PHP version: 7.0Git-2017-12-20 (Git) Package: *Data Exchange functions Bug Type: Bug Bug description:Serialization bug: wrong variable name length Description: ------------ Versions tested and affected : PHP 7.0.28-dev (cli) (built: Dec 20 2017 16:38:38) ( NTS ) PHP 7.0.22-0ubuntu0.16.04.1 (cli) ( NTS ) PHP serialization is buggy when using private class variables. Steps to reproduce : 1. create Test class with at least one private variable 2. create an instance of this class and serialize it This leads to notice/warning/error when unserializing serialized string. See test snippet of code https://pastebin.com/D9yM4G58 Test script: --------------- error_reporting(E_ALL); class Test { public $v1; private $v2; } $t = new Test(); $s = serialize($t); echo $s; // copy value or notice is not shown $s = 'O:4:"Test":2:{s:2:"v1";N;s:8:"Testv2";N;}'; $u = unserialize($s); Expected result: ---------------- good variable name length Actual result: -------------- variable name length is 2 more than expected -- Edit bug report at https://bugs.php.net/bug.php?id=75713&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=75713&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=75713&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=75713&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=75713&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=75713&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=75713&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=75713&r=needscript Try newer version: https://bugs.php.net/fix.php?id=75713&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=75713&r=support Expected behavior: https://bugs.php.net/fix.php?id=75713&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=75713&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=75713&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=75713&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=75713&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=75713&r=dst IIS Stability: https://bugs.php.net/fix.php?id=75713&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=75713&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=75713&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=75713&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=75713&r=mysqlcfg