Store creation time in the token

Author: rmccue

inc/tokens/class-access-token.php

@@ -27,6 +27,15 @@ public function get_client() {
 		return Client::get_by_id( $this->value['client'] );
 	}
 
+	/**
+	 * Get creation time for the token.
+	 *
+	 * @return int Creation timestamp.
+	 */
+	public function get_creation_time() {
+		return $this->value['created'];
+	}
+
 	/**
 	 * Revoke the token.
 	 *
@@ -116,7 +125,8 @@ public static function create( Client $client, WP_User $user ) {
 		}
 
 		$data = array(
-			'client' => $client->get_id(),
+			'client'  => $client->get_id(),
+			'created' => time(),
 		);
 		$key = wp_generate_password( static::KEY_LENGTH, false );
 		$meta_key = static::META_PREFIX . $key;