add get-schema

plugins/woocommerce/bin/get-schema.php

@@ -0,0 +1,20 @@
+<?php
+/**
+ * Helper methods for extracting database schema.
+ *
+ * @package WooCommerce
+ */
+
+// phpcs:disable PHPCompatibility.Classes.NewLateStaticBinding.OutsideClassScope
+/**
+ * Get database schema.
+ */
+function get_schema() {
+	$schema = function () {
+		return static::get_schema();
+	};
+
+	return $schema->call( new \WC_Install() );
+}
+
+echo( esc_sql( get_schema() ) );