cpt filter update & function update

inc/mep_cpt.php

@@ -44,7 +44,7 @@ function mep_cpt()
     );
     
      $rewrite = array(
-          'slug'                => 'mage-events',
+          'slug'                => $event_slug,
           'with_front'          => true,
           'pages'               => true,
           'feeds'               => true,

inc/mep_functions.php

@@ -1682,7 +1682,7 @@ if (!function_exists('mep_event_list_price')) {
                 $price_arr[]    = array_key_exists('option_price_t',$ticket) ? $ticket['option_price_t'] : null;
             }
         }
-
+        $price_arr = sizeof($price_arr) > 0 ? $price_arr : [0];
         return $type == 'price' ?  wc_price(min($price_arr)) : count($price_arr);
     }
 }