template.php

<?php
{{#models}}
{{#model}}
/**
 * NOTE: This class is auto generated by the swagger code generator program.
 * https://github.com/swagger-api/swagger-codegen
 * Do not edit the class manually.
 */

namespace {{modelPackage}};

use \ArrayAccess;
/**
 * {{classname}} Class Doc Comment
 *
 * @category Class
 * @package  {{invokerPackage}}
 * @author   Square Inc.
 * @license  http://www.apache.org/licenses/LICENSE-2.0 Apache License v2
 * @link     https://squareup.com/developers
 */
class {{classname}} implements ArrayAccess
{
...