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<?php var_export( $feed->channel->item->title ?? null ); echo "\n--\n"; var_export( $feed?->channel?->item?->title ); echo "\n--\n"; $feed = null; var_export( $feed?->channel?->item?->title );
Output for 8.1.0 - 8.1.30, 8.2.0 - 8.2.24, 8.3.0 - 8.3.12
NULL -- Warning: Undefined variable $feed in /in/7C7ju on line 10 NULL -- NULL
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41.25 ms | 406 KiB | 5 Q