How to update selective options on plugin settings page
First kick in your validation callback by changing the register_setting() to register_setting( ‘pluginname_options’, ‘pluginname-settings’, ‘pluginname_validate’ ); And then update your validation function to actually do something. Below it gets the current state of the options, and then only updates the pieces of the array that are submitted. When you are on a tab and click … Read more