3v4l.org

run code in 300+ PHP versions simultaneously
<?php session_start(); var_dump(session_decode('test|a:1:{i:0;i:23}'), $_SESSION);
Output for 5.5.29 - 5.5.35, 5.6.13 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Warning: session_decode(): Failed to decode session object. Session has been destroyed in /in/BQq6P on line 5 bool(false) array(0) { }
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Warning: session_decode(): Failed to decode session object. Session has been destroyed in /in/BQq6P on line 5 bool(false) array(0) { }
Output for 5.5.24 - 5.5.28, 5.6.8 - 5.6.12
bool(true) array(1) { ["test"]=> NULL }

preferences:
183.68 ms | 402 KiB | 227 Q