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delete_user_setting

Delete user interface settings.Deleting settings would reset them to the defaults. This function has to be used before any output has started as it calls setcookie().

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delete_user_option

Delete user option with global blog capability.User options are just like user metadata except that they have support for global blog options. If the ‘global’ parameter is false, which it is by default it will prepend the WordPress table prefix to the option name.

822

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delete_user_meta

Remove metadata matching criteria from a user.You can match based on the key, or key and value. Removing based on key and value, will keep from removing duplicate metadata with the same key. It also allows removing all metadata matching key, if needed.

820

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