apply_filters( 'pre_get_lastpostmodified', string|false $lastpostmodified, string $timezone, string $post_type )

Parameters

$lastpostmodified

(string|false) The most recent time that a post was modified, in 'Y-m-d H:i:s' format, or false. Returning anything other than false will short-circuit the function.

$timezone

(string) Location to use for getting the post modified date. See get_lastpostdate() for accepted $timezone values.

$post_type

(string) The post type to check.