Get rid of a few deprecation warning.

I think the remaining deprecation warnings now are from WordPress
itself.

1 files changed, 3 insertions, 3 deletions

diff --git a/includes/venue.php b/includes/venue.php
index b6f9956..a436f91 100644
--- a/includes/venue.php
+++ b/includes/venue.php
@@ -152,15 +152,15 @@ if ( ! class_exists( 'GiglogAdmin_Venue' ) ) {
             $this->id = $wpdb->insert_id;
         }
 
-        public function id() {
+        public function id() : int {
              return $this->id;
         }
 
-        public function name() {
+        public function name() : string {
              return $this->name;
         }
 
-        public function city() {
+        public function city() : string {
              return $this->city;
         }
     }