3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_export( $feed->channel->item->title ?? null );
Output for 8.1.0 - 8.1.30, 8.2.0 - 8.2.24, 8.3.0 - 8.3.12
NULL

preferences:
44.97 ms | 406 KiB | 5 Q