get_editable_user_ids in /wp-admin/includes/user.php
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Continue readingFetch a filtered list of user roles that the current user is allowed to edit.Simple function who’s main purpose is to allow filtering of the list of roles in the $wp_roles object so that plugins can remove inappropriate ones depending on the situation or user making edits. Specifically because without filtering anyone with the edit_users capability can edit others to be administrators, even if they are only editors or authors. This filter allows admins to delegate user management.
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Continue readingCheck the wp-content directory and retrieve all drop-ins with any plugin data.
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Continue readingGet the size of a directory.A helper function that is used primarily to check whether a blog has exceeded its allowed upload space.
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Continue reading