3v4l.org

run code in 300+ PHP versions simultaneously
<?php unserialize('a:8:{i:0;s:19:"akismet/akismet.php";i:1;s:36:"contact-form-7/wp-contact-form-7.php";i:2;s:45:"custom-facebook-feed/custom-facebook-feed.php";i:3;s:47:"flatbook-custom-posts/flatbook-custom-posts.php";i:4;s:23:"mailchimp/mailchimp.php";i:5;s:43:"mailchimp_social_wp/mailchimp_social_wp.php";i:6;s:43:"responsive-lightbox/responsive-lightbox.php";i:7;s:27:"wp-slimstat/wp-slimstat.php";}');
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 - 5.6.38, 7.0.0 - 7.0.31, 7.1.0 - 7.1.23, 7.2.0 - 7.2.33, 7.3.12 - 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

preferences:
246.52 ms | 405 KiB | 413 Q