pre_user_nickname │ filter-hook │ WP 2.0.3

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

Usage

add_filter( 'pre_user_nickname', 'wp_kama_pre_user_nickname_filter' );

/**
 * Function for `pre_user_nickname` filter-hook.
 * 
 * @param string $nickname The user's nickname.
 *
 * @return string
 */
function wp_kama_pre_user_nickname_filter( $nickname ){

	// filter...
	return $nickname;
}

$nickname(string)

The user's nickname.

Changelog

Where the hook is called

$meta['nickname'] = apply_filters( 'pre_user_nickname', $nickname );

Where the hook is used in WordPress

add_filter( $filter, 'sanitize_text_field' );

add_filter( $filter, 'wp_filter_kses' );

add_filter( $filter, '_wp_specialchars', 30 );