3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_export( $feed->channel->item->title ?? null );
Output for 8.1.0 - 8.1.31, 8.2.0 - 8.2.26, 8.3.0 - 8.3.15, 8.4.1 - 8.4.2
NULL

preferences:
23.52 ms | 406 KiB | 5 Q