apply_filters( 'get_feed_build_date', string|false $max_modified_time, string $format )

Filters the date the last post or comment in the query was modified.

Parameters

$max_modified_time: (string|false) Date the last post or comment was modified in the query, in UTC. False on failure.
$format: (string) The date format requested in get_feed_build_date().

Used By	Description
wp-includes/feed.php: get_feed_build_date()	Get the UTC time of the most recently modified post from WP_Query.

Version	Description
5.2.0	Introduced.

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Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/hooks/get_feed_build_date