3v4l.org

run code in 300+ PHP versions simultaneously
<?php class MyIterator extends \ArrayIterator { } $iterator = new MyIterator(); $serialized = serialize($iterator);echo $serialized; $unserialized = unserialize($serialized);
Output for 7.4.6 - 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
O:10:"MyIterator":4:{i:0;i:0;i:1;a:0:{}i:2;a:0:{}i:3;N;}
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 O:10:"MyIterator":4:{i:0;i:0;i:1;a:0:{}i:2;a:0:{}i:3;N;}
Output for 7.4.0 - 7.4.5
O:10:"MyIterator":3:{i:0;i:0;i:1;a:0:{}i:2;a:0:{}}
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
C:10:"MyIterator":21:{x:i:0;a:0:{};m:a:0:{}}

preferences:
241.14 ms | 402 KiB | 291 Q