Introduce WC_Product::get_id() method

includes/abstracts/abstract-wc-product.php

@@ -166,6 +166,17 @@ class WC_Product {
 		return apply_filters( 'woocommerce_product_supports', in_array( $feature, $this->supports ) ? true : false, $feature, $this );
 	}
 
+	/**
+	 * Return the product ID
+	 *
+	 * @since 2.5.0
+	 * @return int product (post) ID
+	 */
+	public function get_id() {
+
+		return $this->id;
+	}
+
 	/**
 	 * get_gallery_attachment_ids function.
 	 *

includes/class-wc-product-variation.php

@@ -147,6 +147,17 @@ class WC_Product_Variation extends WC_Product {
 		return $value;
 	}
 
+	/**
+	 * Return the variation ID
+	 *
+	 * @since 2.5.0
+	 * @return int variation (post) ID
+	 */
+	public function get_id() {
+
+		return $this->variation_id;
+	}
+
 	/**
 	 * Returns whether or not the product post exists.
 	 *