Next day event link

next-day-event-link.php

<?php
$current_day = tribe_get_start_date( null, false, 'Y-m-d' );
$next_day = date( 'Y-m-d', strtotime( $current_day. ' + 1 days' ) );
$day_after = date( 'Y-m-d', strtotime( $next_day. ' + 1 days' ) );
$prev_day = date( 'Y-m-d', strtotime( $current_day. ' - 1 days' ) );


$current_event_categories = get_the_terms( $post, 'tribe_events_cat' );
for ( $i = 0; $i < count( $current_event_categories ); $i++ ) {
    $current_event_category = $current_event_categories[ $i ]->slug;
}

$next_day_event = tribe_get_events( array(
    'start_date'        => $next_day,
    'posts_per_page'    => 1,
    'end_date'     => $day_after,
    'tax_query'         => array(
                            array(
                                'taxonomy' => 'tribe_events_cat',
                                'field' => 'slug',
                                'terms' => $current_event_category,
                            ),
                        ),
) );

// error_log(print_r($next_day_event, true)); /* if this is in use, it prints an empty array */
for ( $i = 0; $i < count( $next_day_event ); $i++ ) {
	$start_date = get_post_meta( $next_day_event[ $i ]->ID, '_EventStartDate', true );
	if ( date( 'Y-m-d', strtotime( $start_date ) ) == $next_day )
		$link_to_next_day = $next_day_event[ $i ]->guid;
}