iis7_delete_rewrite_rule example

// Using win_is_writable() instead of is_writable() because of a bug in Windows PHP.     if ( iis7_supports_permalinks()
        && ( ! file_exists( $web_config_file ) && win_is_writable( $home_path ) && $wp_rewrite->using_mod_rewrite_permalinks()
            || win_is_writable( $web_config_file ) )
    ) {
        $rule = $wp_rewrite->iis7_url_rewrite_rules( false );

        if ( ! empty( $rule ) ) {
            return iis7_add_rewrite_rule( $web_config_file, $rule );
        } else {
            return iis7_delete_rewrite_rule( $web_config_file );
        }
    }

    return false;
}

/** * Updates the "recently-edited" file for the plugin or theme file editor. * * @since 1.5.0 * * @param string $file */