woothemes / woocommerce

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

		// Check permissions again and make sure we have what we need

		if ( ! current_user_can( 'edit_products' ) || empty( $_POST['product_id'] ) || empty( $_POST['attributes'] ) ) {

			die( -1 );

		}

		global $post;

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

		// Check permissions again and make sure we have what we need

		if ( ! current_user_can( 'edit_products' ) || empty( $_POST ) || empty( $_POST['product_id'] ) ) {

			die( -1 );

		}

		// Remove previous meta box errors

		WC_Admin_Meta_Boxes::$meta_box_errors = array();

		check_ajax_referer( 'bulk-edit-variations', 'security' );

		// Check permissions again and make sure we have what we need

		if ( ! current_user_can( 'edit_products' ) || empty( $_POST['product_id'] ) || empty( $_POST['bulk_action'] ) ) {

			die( -1 );

		}

		$product_id  = absint( $_POST['product_id'] );

		$bulk_action = wc_clean( $_POST['bulk_action'] );