<?php global $xi_calendar_id, $xi_shortcode_attributes; $categories = XiQuery::get_categories_for_calendar($xi_calendar_id); ?> <script type="text/javascript"> jQuery(document).ready(function($) { var category_filter_id = $('#xi-categories').val(); var xi_source = { url: "<?php echo admin_url('admin-ajax.php'); ?> ", type: 'POST', data: { action: 'events_json', calendar_id: <?php echo $xi_calendar_id; ?> , category_id: category_filter_id }, error: function(jqXHR, textStatus, errorThrown) { console.log('Xi Error when fetching events.'); console.log(textStatus); console.log(errorThrown); } }; $("#xi-fullcalendar").fullCalendar({ header: {