pre_user_display_name │ filter-hook │ WP 2.0.3

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

Usage

add_filter( 'pre_user_display_name', 'wp_kama_pre_user_display_name_filter' );

/**
 * Function for `pre_user_display_name` filter-hook.
 * 
 * @param string $display_name The user's display name.
 *
 * @return string
 */
function wp_kama_pre_user_display_name_filter( $display_name ){

	// filter...
	return $display_name;
}

$display_name(string)

The user's display name.

Changelog

Where the hook is called

$display_name = apply_filters( 'pre_user_display_name', $display_name );

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 );