Logs the usage of deprecated files, functions, and function arguments, and identifies where the deprecated functionality is being used.
As of April 2026, Log Deprecated Notices is a WordPress admin plugin with 1.0K+ active installations and a 5/5 rating from 10 reviews. It has been downloaded 166K+ times in total. Requires WordPress 3.0+ and PHP false+. Available on WordPress.org since 2010. Last updated 4 years ago — may have compatibility concerns. Downloads are up 14% this week. Top alternative: Loginizer.
This plugin logs the usage of deprecated files, functions, and function arguments. It identifies where the deprecated functionality is being used and offers the alternative if available.
This is a plugin for developers. WP_DEBUG is not needed, though its general usage is strongly recommended. Deprecated notices normally exposed by WP_DEBUG will be logged instead.
This plugin also logs incorrect function usage, which WordPress started reporting in 3.1.
Please report any bugs to plugins in a support thread.
This is young software. It works, but there’s a lot left on the todo (check out the Other Notes tab). Have an idea? Let me know.
These are the various things on the @todo:
Always on dev site. Awesome! Thank you!
Very easy to use and useful for debugging your own plugins.
(CA)
Senzill d’utilitzar i necessari per fer la depuració de les extensions.
It’s perfect for updating plugins code with the last functions and the best security. All wordpress developers need this golden tool.
Just what I needed to quickly help to identify issues filling up log files.
A depreciated call message was really ruining my day. And after scouring the site, I’m surprised how many active WordPress support threads remain open and without resolution that could be easily fixed with this plugin. IMHO, this is now a MUST-USE plugin. Just deactivate it until you need it… and you WILL need it 😉
PS: I’ve added links to you plugin from the active threads I have been participating in.
Thanks for the 5-Star plugin!
| WordPress | 3.0+ requiredTested up to 5.8.13 |
| PHP | false+ required |
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.