WordPress - EventManager - Show other events in same category

WordPress - EventManager - Show other events in same category

<?php

if (class_exists('EM_Events')) {
	$currentid = $EM_Event->id;				//get and store the current event id
	$cats = $EM_Event->get_categories();	//get the categories for the current event
	$cat_ids = $cats->get_ids();			//get the ids for the categories of the current event
	$cat_ids_strg = implode(',', $cat_ids);	//make a comma seperated string of category ids

	//use categories to find similar events
	$sim_events = EM_Events::get(array('limit'=>9,'category'=>$cat_ids_strg,'orderby'=>'start_date')); //build an array of up to 9 events that are similar to the current event
	$sim_events_ids = array();
	$adj_sim_events_ids = array();
	foreach ($sim_events as $EM_Event) {
		if ($EM_Event->id != $currentid) {
			$sim_events_ids[] = $EM_Event->id; //step thru the similar events and pull out just the event ids
		}
	}

	$adj_sim_events_ids_strg = implode(',', $sim_events_ids); //make a comma seperated string of adjusted category ids
	echo EM_Events::output( array('limit'=>8,'event'=>$adj_sim_events_ids_strg,'orderby'=>'start_date') ); //output only the adjusted similar event ids
}
?>