SportsPress: Regenerate Event Titles

sportspress_regenerate_event_titles.php

<?php

/**
 * Add bulk action to re-assign SportsPress events titles. 
 */
add_filter('bulk_actions-edit-sp_event', fn ($actions) => $actions + ['sp_regenerate_title'  => 'Regenerate Title']);
add_filter('handle_bulk_actions-edit-sp_event', function ($redirect_to, $action, $post_ids) {

	if ($action !== 'sp_regenerate_title') {
		return $redirect_to;
	}

	$reverse_teams = get_option('sportspress_event_reverse_teams', 'no') === 'yes';

	foreach ($post_ids as $post_id) {

		$teams_ids =  sp_get_teams($post_id);

		if ($reverse_teams) {
			$teams_ids = array_reverse($teams_ids);
		}

		$teams_shortnames = array_map(fn ($team_id) => sp_team_short_name($team_id), $teams_ids);

		$title = implode(get_option('sportspress_event_teams_delimiter', 'vs'), $teams_shortnames);

		wp_update_post([
			'ID' => $post_id,
			'post_title' => $title,
		]);
	}
	return add_query_arg('bulk_action_done', count($post_ids), $redirect_to);
}, 10, 3);