- unregister_hook('item_photo_menu', 'addon/viewsrc/viewsrc.php', 'viewsrc_item_photo_menu');
- unregister_hook('page_end', 'addon/viewsrc/viewsrc.php', 'viewsrc_page_end');
+ Addon::unregisterHook('item_photo_menu', 'addon/viewsrc/viewsrc.php', 'viewsrc_item_photo_menu');
+ Addon::unregisterHook('page_end', 'addon/viewsrc/viewsrc.php', 'viewsrc_page_end');