3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php session_start(); var_dump(session_decode('core|a:4:{s:23:"_session_validator_data";a:4:{s:11:"remote_addr";s:9:"127.0.0.1";s:8:"http_via";s:0:"";s:20:"http_x_forwarded_for";s:0:"";s:15:"http_user_agent";s:19:""}}test|a:1:{i:23;}'), $_SESSION);
based on W3WS5
Output for 5.4.45, 5.5.29 - 5.5.35, 5.6.13 - 7.2.0
Warning: session_decode(): Failed to decode session object. Session has been destroyed in /in/GdgNq on line 5 bool(false) array(0) { }
Output for 5.3.20 - 5.4.44, 5.5.24 - 5.5.28, 5.6.8 - 5.6.12
bool(true) array(1) { ["core"]=> NULL }