MT | TEC | Tick first upcoming by default in front-end

tribe_subsequent_recurrence_default.php

<?php

/*
 * Checks the front-end box "Show only the first upcoming instance of recurring events" by default
 */
function tribe_subsequent_recurrence_default( $option, $name, $default ) {

	if ( $name === 'hideSubsequentRecurrencesDefault' && ! is_admin() ) $option = true;

	return $option;
}
add_filter( 'tribe_get_option', 'tribe_subsequent_recurrence_default', 10, 3 );