example.php

<?

add_action( 'wp', 'woo_get_variations_attributes' );
function woo_get_variations_attributes()
{
	if(is_product()) {    
		global $product;
		$product_obj = get_page_by_path($product, OBJECT, 'product');
		$product_id = $product_obj->ID;
		$product = new Woo_WC_Product_Variable($product_id);
		$variations = $product->get_all_variations();