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The fastest and easiest way to switch debug mode on/off and view PHP info directly from the admin.
<ul>
<li>Normally, to enable debug mode, you’d have to manually add the following to wp-config.php: <code><?php define( 'WP_DEBUG', true ); ?></code></li>
<li>Normally, to view the server’s PHP version and other info, you’d have to manually upload a file with: <code><?php phpinfo(); ?></code></li>
</ul>
With Debug Switch, this is handled automatically.
How?
Simply activate the plugin to enable and deactivate the plugin to disable them when you’re done debugging.
Why?
There are a dozen other debugging plugins that already do this (more or less), so why create another?
Well, I already tried them all, and they just felt clunky and unnecessarily overcomplicated. I got tired of having to manually switch debug mode on and off and these other plugins didn’t offer a simple way to do that without also adding a bunch of other bells and whistles that I found to just be in the way, so I made something simpler.

Debug Switch

The fastest and easiest way to switch debug mode on/off and view PHP info directly from the admin.

tamlyn

As a theme developer, you want to have WP_DEBUG enabled but you’re not interested in the deprecated warnings created by other plugins. Use this plugin to disable these messages while still displaying other errors, warnings and notices.
<a href="http://outlandishideas.co.uk/blog/2012/06/hide-deprecated-errors-in-wordpress/" rel="nofollow ugc">Plugin by Outlandish Ideas</a>

Disable Deprecated Warnings

Prevents plugins from showing deprecated errors in the WordPress admin.

Debug Switch vs Disable Deprecated Warnings