Bug #65724 [NEW]: unserialize doesn't always restore referenced objects

From: niko dot sams at gmail dot com Operating system: Linux PHP version: 5.5.4 Package: *General Issues Bug Type: Bug Bug description:unserialize doesn't always restore referenced objects Description: ------------ when doing another unserialize that creates objects in an Serializable::unserialize implementation things break, the 'parent' isn't unserialized correctly. ok: PHP 5.3.3-7+squeeze14 ok: PHP 5.3.10-1ubuntu3.6 fail: PHP 5.4.4-14+deb7u2 fail: PHP 5.5.3 See phpt test script: http://paste.kde.org/p83ce39d0/ Test script: --------------- class Bar {} class Foo implements Serializable { public $test; public function __construct($test) { $this->test = $test; } public function serialize() { return $this->test; } public function unserialize($serialized) { //the following line causes problems unserialize('O:3:"Bar":1:{s:4:"bar1";O:3:"Bar":0:{}}'); $this->test = $serialized; } } $foo1 = new Foo('foo1'); $foo2 = new Foo('foo2'); $foo3 = new Foo('foo3'); $ar = array( array( 'instance' => $foo1, ), array( 'instance' => $foo2, ), array( 'instance' => $foo3, 'parent' => $foo2 ) ); $ar = serialize($ar); $ar = unserialize($ar); print_r($ar); Expected result: ---------------- [parent] => Foo Object ( [test] => foo2 ) ) Actual result: -------------- [parent] => foo2 -- Edit bug report at https://bugs.php.net/bug.php?id=65724&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=65724&r=trysnapshot54 Try a snapshot (PHP 5.3): https://bugs.php.net/fix.php?id=65724&r=trysnapshot53 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=65724&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=65724&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=65724&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=65724&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=65724&r=needscript Try newer version: https://bugs.php.net/fix.php?id=65724&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=65724&r=support Expected behavior: https://bugs.php.net/fix.php?id=65724&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=65724&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=65724&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=65724&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=65724&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=65724&r=dst IIS Stability: https://bugs.php.net/fix.php?id=65724&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=65724&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=65724&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=65724&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=65724&r=mysqlcfg