Cast to array

includes/abstracts/abstract-wc-product.php

@@ -418,6 +418,16 @@ class WC_Product {
 		return apply_filters( 'woocommerce_is_sold_individually', $return, $this );
 	}
 
+	/**
+	 * get_child function.
+	 *
+	 * @param mixed $child_id
+	 * @return WC_Product WC_Product or WC_Product_variation
+	 */
+	public function get_child( $child_id ) {
+		return wc_get_product( $child_id );
+	}
+
 	/**
 	 * get_children function.
 	 *

includes/class-wc-product-grouped.php

@@ -109,19 +109,6 @@ class WC_Product_Grouped extends WC_Product {
 		return (array) $this->children;
 	}
 
-
-	/**
-	 * get_child function.
-	 *
-	 * @access public
-	 * @param mixed $child_id
-	 * @return WC_Product WC_Product or WC_Product_variation
-	 */
-	public function get_child( $child_id ) {
-		return wc_get_product( $child_id );
-	}
-
-
 	/**
 	 * Returns whether or not the product has any child product.
 	 *
@@ -132,7 +119,6 @@ class WC_Product_Grouped extends WC_Product {
 		return sizeof( $this->get_children() ) ? true : false;
 	}
 
-
 	/**
 	 * Returns whether or not the product is on sale.
 	 *