Set WP_Session expiration variant to 23 hours. This could potentially…

… save a ton of DB writes. #2031

includes/class-edd-session.php

@@ -80,6 +80,7 @@ public function __construct() {
 				require_once EDD_PLUGIN_DIR . 'includes/libraries/wp-session.php';
 			}
 
+			add_filter( 'wp_session_expiration_variant', array( $this, 'set_expiration_variant_time' ), 99999 );
 			add_filter( 'wp_session_expiration', array( $this, 'set_expiration_time' ), 99999 );
 
 		}
@@ -189,6 +190,18 @@ public function set_cart_cookie( $set = true ) {
 		}
 	}
 
+	/**
+	 * Force the cookie expiration variant time to 23 hours
+	 *
+	 * @access public
+	 * @since 2.0
+	 * @param int $exp Default expiration (1 hour)
+	 * @return int
+	 */
+	public function set_expiration_variant_time( $exp ) {
+		return current_time( 'timestamp' ) + ( 30 * 60 * 23 );
+	}
+
 	/**
 	 * Force the cookie expiration time to 24 hours
 	 *