The Events Calendar REST API Hide from Listing fix

tec-rest-api-hide.php

<?php
/**
 * Plugin Name: The Events Calendar REST API Hide from Listing fix
 * Description: This plugin is a temporary fix for The Events Calendar REST API issue that prevents events updated via
 * the REST API from correctly showing in the calendar.
 */
/**
 * Filters the post array arguments generated during a TEC REST request to update an event to remove empty
 * `hide_from_listings` values.
 *
 * @param array $postarr The post array, as prepared from The Events Calendar code.
 *
 * @return array The post array, filtered to remove the empty `_EventHideFromUpcoming` value, if required.
 */
function remove_empty_hide_from_listings_value( array $postarr ) {
	if ( isset( $postarr['EventHideFromUpcoming'] ) && ! tribe_is_truthy( $postarr['EventHideFromUpcoming'] ) ) {
		$postarr = array_diff_key( $postarr, [ 'EventHideFromUpcoming', 'EventHideFromUpcoming' ] );
	}
	return $postarr;
}
add_filter( 'tribe_events_rest_event_prepare_postarr', 'remove_empty_hide_from_listings_value' );