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You can check existing user with "username_exists" WordPress function and insert user using "wp_insert_user" function as below for Network site also: if(username_exists( 'username' )) { echo "Username already exists"; } else { echo "Username does not exists"; $userdata = array( 'user_login' => 'username', 'user_url' => ...


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You have one big problem and then I would suggest a few suggestions on your code sidebar-widgets != sidebar-1 You register a sidebar with id sidebar-widgets but you are calling sidebar-1 You don't need to do this if (function_exists('register_sidebar')). register_sidebar is a core function, so it will always exist. It is not wrong, but it wastes space :-) ...


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Thanks to the tipoff from @birgire in the comment, I was able to locate two things, an example of an implementation that includes context, here (also of note is that the Github gist has code for the very useful ability to access any image uploaded from this context previously! https://gist.github.com/eduardozulian/4739075 /** * Example of inserting a ...



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