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Parameter $name

Expected type: String
Description: The name to check

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Parameter $current_ID_MEMBER

Expected type: Integer
Description: ID of the current member (prevents matching from current user). Defaults to 0 (indicates that user isn't registered yet)

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Parameter $is_name

Expected type: Boolean
Description: Whether or not this is a display name. Default is true.

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Parameter $is_fatal

Expected type: Boolean
Description: If true, function throws a fatal_lang_error if the name is reserved. Otherwise the function will return true if the name is reserved.

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Return value

Expected type: Boolean
Description: Returns false if name isn't reserved. Returns true if name is reserved and is_fatal is false.