Conditional Placeholder: has_spaces_x

/*

This custom conditional placeholder shows the format per booking spaces available

sample usage:
{has_spaces_100}
#_EVENTNAME
{/has_spaces_100}
*/
add_action('em_event_output_condition', 'my_em_custom_event_output_condition', 1, 4);
function my_em_custom_event_output_condition($replacement, $condition, $match, $EM_Event){
	if( is_object($EM_Event) && preg_match('/^has_spaces_([a-zA-Z0-9_\-]+)$/',$condition, $matches) ){

		$booking_space = $EM_Event->get_bookings()->get_available_spaces();

		if( $booking_space <= $matches[1] ){
			$replacement = preg_replace("/\{\/?$condition\}/", '', $match);
		}else{
			$replacement = '';
		}
	}
	return $replacement;
}