3v4l.org

run code in 300+ PHP versions simultaneously
<?php $out = array('one', 'two', 'three'); echo 'Serialized: '.serialize($out); echo 'Unserialized: '.unserialize(serialize($out));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Serialized: a:3:{i:0;s:3:"one";i:1;s:3:"two";i:2;s:5:"three";} Warning: Array to string conversion in /in/vufq8 on line 4 Unserialized: Array
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
Serialized: a:3:{i:0;s:3:"one";i:1;s:3:"two";i:2;s:5:"three";} Notice: Array to string conversion in /in/vufq8 on line 4 Unserialized: Array
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 7.3.32 - 7.3.33
Serialized: a:3:{i:0;s:3:"one";i:1;s:3:"two";i:2;s:5:"three";}Unserialized: Array
preferences:
217.34 ms | 403 KiB | 315 Q