public static function load_variations() {
		ob_start();

		check_ajax_referer( 'load-variations', 'security' );

		if ( ! current_user_can( 'edit_products' ) || empty( $_POST['product_id'] ) ) {
			wp_die( -1 );
		}

		// Set $post global so its available, like within the admin screens.
		global $post;

		$loop           = 0;
		$product_id     = absint( $_POST['product_id'] );
		$post           = get_post( $product_id ); // phpcs:ignore
		$product_object = wc_get_product( $product_id );
		$per_page       = ! empty( $_POST['per_page'] ) ? absint( $_POST['per_page'] ) : 10;
		$page           = ! empty( $_POST['page'] ) ? absint( $_POST['page'] ) : 1;
		$variations     = wc_get_products(
			array(
				'status'  => array( 'private', 'publish' ),
				'type'    => 'variation',
				'parent'  => $product_id,
				'limit'   => $per_page,
				'page'    => $page,
				'orderby' => array(
					'menu_order' => 'ASC',
					'ID'         => 'DESC',
				),
				'return'  => 'objects',
			)
		);

		if ( $variations ) {
			wc_render_invalid_variation_notice( $product_object );

			foreach ( $variations as $variation_object ) {
				$variation_id   = $variation_object->get_id();
				$variation      = get_post( $variation_id );
				$variation_data = array_merge( get_post_custom( $variation_id ), wc_get_product_variation_attributes( $variation_id ) ); // kept for BW compatibility.
				include 'admin/meta-boxes/views/html-variation-admin.php';
				$loop++;
			}
		}
		wp_die();
	}