File Content: NativeResource.php <?php /** * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. * SPDX-License-Identifier: Apache-2.0. */ namespace PleskLetsEncrypt\AWS\CRT; use PleskLetsEncrypt\AWS\CRT\CRT as CRT; /** * Base class for all native resources, tracks all outstanding resources * and provides basic leak checking */ abstract class NativeResource { protected static $crt = null; protected static $resources = []; protected $native = null; protected function __construct() { if (\is_null(self::$crt)) { self::$crt = new CRT(); } self::$resources[\spl_object_hash($this)] = 1; } protected function acquire($handle) { return $this->native = $handle; } protected function release() { $native = $this->native; $this->native = null; return $native; } function __destruct() { // Should have been destroyed and released by derived resource \assert($this->native == null); unset(self::$resources[\spl_object_hash($this)]); } } Submit