75 lines
2.0 KiB
PHP
75 lines
2.0 KiB
PHP
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<?php
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declare(strict_types=1);
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/**
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* 默认的 \think\App 的实例初始化后会在一些地方创建对它的引用，
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* 多数是在静态变量里，这就导致它不能被自动垃圾回收。
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* 因此创建 GCApp 作为其子类，添加清理这些引用的处理的方法。
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*/
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namespace tests;
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use think\App;
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use think\initializer\BootService;
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use think\initializer\Error;
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use think\initializer\RegisterService;
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use think\Model;
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use think\Validate;
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class GCError extends Error {
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/**
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* 从 parent::init() 中移除 register_shutdown_function
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* @param App $app
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*/
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public function init(App $app)
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{
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$this->app = $app;
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error_reporting(E_ALL);
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set_error_handler([$this, 'appError']);
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set_exception_handler([$this, 'appException']);
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// register_shutdown_function([$this, 'appShutdown']); // 移除
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}
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}
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class GCValidate extends Validate {
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public static function cleanMaker() { static::$maker = []; }
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}
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class GCModel extends Model {
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public static function cleanMaker() { static::$maker = []; }
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}
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/**
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* 可被自动 gc 的，但需要手动调用 refClear 函数
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* Class GCApp
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* @package tests
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*/
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class GCApp extends App {
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protected $initializers = [ // 覆盖父类
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GCError::class, // 去掉 register_shutdown_function
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RegisterService::class, // 原来就有的
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BootService::class, // 原来就有的
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];
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/**
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* 添加清理函数
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* @throws \Exception
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*/
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public function refClear()
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{
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$this->route->clear(); // 清理路由规则
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// 清理绑定在 App 的实例
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$names = [];
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foreach ($this->getIterator() as $name=>$_v) {
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$names[] = $name;
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}
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foreach ($names as $name) {
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$this->delete($name);
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}
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// 清理异常 handler
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restore_error_handler();
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restore_exception_handler();
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GCValidate::cleanMaker();
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GCModel::cleanMaker();
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}
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}
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