woocommerce_brands_list_alphabet │ filter-hook │ WC 1.0

Usage

add_filter( 'woocommerce_brands_list_alphabet', 'wp_kama_woocommerce_brands_list_alphabet_filter' );

/**
 * Function for `woocommerce_brands_list_alphabet` filter-hook.
 * 
 * @param  $range 
 *
 * @return 
 */
function wp_kama_woocommerce_brands_list_alphabet_filter( $range ){

	// filter...
	return $range;
}

$range

-

Where the hook is called

$alphabet       = apply_filters( 'woocommerce_brands_list_alphabet', range( 'a', 'z' ) );

Where the hook is used in WooCommerce