MT | TEC | Limits Related Posts to events within 2 months of event date

tribe_related_posts_args_limiter.php

<?php

/*
 * Limits Related Posts to only show events within 2 months of the current events dates
 */
function tribe_related_posts_args_limiter ( $args = array() ) {
	global $post;

	$event_start_date = strtotime( $post->EventStartDate );
	$event_end_date = strtotime( $post->EventEndDate );
	$date_format = Tribe__Events__Date_Utils::DBDATETIMEFORMAT;

	$args['eventDisplay'] = 'custom';

	$args['start_date'] = date_i18n(
		$date_format,
		strtotime( '-2 month', $event_start_date )
	);

	$args['end_date'] = date_i18n(
		$date_format,
		strtotime( '+2 month', $event_end_date )
	);

	return $args;
}
add_filter( 'tribe_related_posts_args', 'tribe_related_posts_args_limiter', 10, 1 );