WordPress has long provided documentation throughout the interface that provide explanations for various features and input fields.
This includes explanations of excerpts, trackbacks, custom fields, page parents, etc.
These are great for newcomers to WordPress, but for those with familiarity these bits of text are no longer necessary provide visual noise.
Each user who wishes to expert mode for themselves must do so individually by going into their profile, checking 'Expert mode, and then pressing 'Update Profile button..
Text indicating that widgets are added from the listing of widgets on the left...
Code using these filters should be put into mu-plugin or site-specific plugin.
The filter allows you to determine whether the expert mode should be active..
This filter applies to users who visit the admin for the time after the plugin is activated.
Once user visits the admin, their setting gets set to the default state and will no longer be affected by this filter.
If you wish to affect the setting for existing users, use the filter instead..
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