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filter is not described

pre_user_nicename filter-hook . WP 2.0.3

Filters a user's nicename before the user is created or updated.

Usage

add_filter( 'pre_user_nicename', 'filter_function_name_9437' );
function filter_function_name_9437( $user_nicename ){
	// filter...

	return $user_nicename;
}
$user_nicename(string)
The user's nicename.

Changelog

Since 2.0.3 Introduced.

Where the hook is called

wp_insert_user()
pre_user_nicename
wp-includes/user.php 1608
$user_nicename = apply_filters( 'pre_user_nicename', $user_nicename );

Where the hook is used (in WP core)

Usage not found!