Edit report at https://bugs.php.net/bug.php?id=64724&edit=1
ID: 64724 Updated by: larue...@php.net Reported by: php dot bugs at lippe-net dot de Summary: Objects stored in Sessions sometimes get "lost". Status: Open Type: Bug -Package: Session related +Package: *General Issues Operating System: Debian Wheezy PHP Version: 5.4.14 -Assigned To: +Assigned To: mike Block user comment: N Private report: N New Comment: maybe due to the serialize Previous Comments: ------------------------------------------------------------------------ [2013-04-26 15:04:24] php dot bugs at lippe-net dot de Description: ------------ The "transactions" array of the $_SESSION variable is initialized only once. If you repeat the invocation of the script. After a while the array contains some elements that are no more Objects of "class S" but references (for example r:5607;). Test script: --------------- <?php class S implements \Serializable { protected $data = []; public function __construct() { for ( $i = 0; $i <= mt_rand(4, 7); $i++ ) { $this->data[] = mt_rand(0, 50); } } public function serialize() { return serialize($this->data); } public function unserialize($data) { $this->data = unserialize($data); } } session_name("testS"); session_start(); if ( empty($_SESSION["transactions"]) ) { $_SESSION["transactions"] = [ new S(), new S(), new S(), new S() ]; } echo serialize($_SESSION); ?> Expected result: ---------------- Example (first call): transactions|a:4:{i:0;C:1:"S":76:{a:8: {i:0;i:9;i:1;i:24;i:2;i:23;i:3;i:46;i:4;i:29;i:5;i:4;i:6;i:44;i:7;i:14;}}i:1;C:1:" S":51:{a:5:{i:0;i:11;i:1;i:45;i:2;i:12;i:3;i:10;i:4;i:21;}}i:2;C:1:"S":59:{a:6: {i:0;i:47;i:1;i:5;i:2;i:40;i:3;i:35;i:4;i:29;i:5;i:14;}}i:3;C:1:"S":58:{a:6: {i:0;i:20;i:1;i:20;i:2;i:7;i:3;i:44;i:4;i:7;i:5;i:27;}}} Actual result: -------------- Example (after some roundabout 50 calls): transactions|a:4:{i:0;r:5607;i:1;r:5617;i:2;r:5624;i:3;r:5632;} ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=64724&edit=1