3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array("1" => "PHP code tester: Sandbox Online"); $array2 = array("1" => "PHP code tester Sandbox Online"); echo $serialized = serialize($array); $serialized2 = serialize($array2); var_dump(unserialize($serialized)); var_dump(unserialize($serialized2));
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, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 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, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
a:1:{i:1;s:31:"PHP code tester: Sandbox Online";}array(1) { [1]=> string(31) "PHP code tester: Sandbox Online" } array(1) { [1]=> string(30) "PHP code tester Sandbox Online" }

preferences:
296.74 ms | 406 KiB | 456 Q