Electro - Show only Specific Brands By Slug in Custom Order

functions.php

if ( ! function_exists( 'ec_child_footer_bc_modify_tax_args' ) ) {
    function ec_child_footer_bc_modify_tax_args( $args ) {
        
        $args['slugs'] = 'dell, apple, microsoft, ibm, sony, samsung, hp'; //Replace slugs with your slugs in need order
        
        if ( ! empty( $args['slugs'] ) ) {
            $cat_slugs = is_array( $args['slugs'] ) ? $args['slugs'] : explode( ',', $args['slugs'] );
            $cat_slugs = array_map( 'trim', $cat_slugs );
            $args['slug'] = $cat_slugs;
            $args['orderby'] = 'slug__in';
            $args['order'] = 'ASC';
        }

        return $args;
    }
}
add_filter( 'ec_footer_bc_taxonomy_args', 'ec_child_footer_bc_modify_tax_args', 20 );