Gets the HTML output for the {{timetable}} placeholder. The {{timetable}} placeholder can be used in productions lists to display the start time for each individual day that the event takes place.

wpt_get_production_timetable.php

<?php
/**
 * Gets the HTML output for the {{timetable}} placeholder.
 *
 * The {{timetable}} placeholder can be used in productions lists to
 * display the start time for each individual day that the event 
 * takes place.
 * 
 * You can use it in a shortcode like this:
 * 
 * [wpt_productions start="now"]
 * 	{{thumbnail|permalink}}{{title|permalink}}{{categories}}{{timetable}}
 * [/wpt_productions]
 *
 * It uses the date and time format from the WordPress setting.
 * 
 * @param 	string	$value			Current HTML output for the {{timetable}} 
 *						placeholder. 
 * @param 	string	$field			Name of the field.
 * @param 	WPT_Production 	$production	Current production.
 * @return	string				New HTML output for the {{timetable}} 
 *						placeholder. 
 */
function wpt_get_production_timetable( $html, $field, $production) {
	global $wp_theatre;
	
	$html = '';
	
	$events_args = array(
		'start' => 'now',
		'production' => $production->ID,	
	);
	$days = $wp_theatre->events->get_days($events_args);
	
	if (!empty($days)) {
		$html.= '<ul>';
		foreach ($days as $key => $value) {
			$events_args['start'] = $key;
			$events_args['end'] = $key.' + 1 day';
			$events = $wp_theatre->events->get($events_args);
			
			$html.= '<li>';
			$html.= date_i18n( get_option( 'date_format' ), strtotime($key));
			$html.= ' - ';
			
			foreach($events as $event) {
				$html.= '<span>'.$event->starttime().'</span> ';
			}
			
			$html.= '</li>';
		}
		$html.= '</ul>';
	}
	
	return $html;
}
add_filter( 'wpt_production_timetable', 'wpt_get_production_timetable', 10, 3);