无法在 Stackable 上分配简单的数组

Question

我正在尝试为使用 pthread 的 codeigniter 创建一个库，一切正常，但是当我想为数组分配一个值时，这不适用于传统的 $a['key'] = 'val';

小测试示例：（更新）

class Test {
    protected $core;
    protected $stack;

    public function init(){
        $this->stack = new Test_Stack();
        $this->core = new Test_Core($this->stack);
    }

    public function do_test(){
        return $this->core->assign();
    }
}


class Test_Stack extends Stackable {
    protected $a;

    function __construct(){
        $this->a = array();
    }

    protected function test(){ // Call from other class extends Threads
        $this->a['key1'] = 'NOWORK';
        print_r($this->a); // THIS RETURN NOTHING   

        $this->a = array_merge($this->a, array('key1' => 'WORK'));
        print_r($this->a); // NOW THIS GOOD RETURN Key1..
    }

    public function run(){}
}

class Test_Core {
    protected $thread;
    protected $stack;

    function __construct($s){
       $this->stack = $s;
    }

    public function assign(){
        $this->thread = new Test_Thread($this->stack);
        $this->thread->start();

        $this->thread->join();
    }
}

class Test_Thread extends Thread{
    protected $stack;

    function __construct($s){
       $this->stack = $s;
    }

    public function run(){
        $this->stack->test();
    }
}

我在没有测试的情况下编写了这个基本代码，但它与我的 lib 的结构相同，并且需要它来扩展 test_stack 并添加或更改测试函数，例如。

即使现在可以工作，我也会明白为什么我不能正常分配我的数组？ 或者更确切地说，我做错了什么？

Answer 1

在我的工作：

class Stack  {
    protected $a;

    function __construct(){
        $this->a = array();
    }

    function test(){ 
         $this->a['key1'] = 'NOWORK';
         print_r($this->a); // THIS RETURN NOTHING


         $this->a = array_merge($this->a, array('key1' => 'WORK'));
         print_r($this->a); // NOW THIS GOOD RETURN Key1..
    }
}


$obj = new Stack();
$obj->test();

输出：

Array
(
    [key1] => NOWORK
)
Array
(
    [key1] => WORK
)

Answer 2

OK 数组不是线程安全的，应该使用可堆叠的，这样就可以了：

库/Test.php：

class Test {
    protected $core;
    protected $stack;

    public function init(){
        $this->stack = new Test_Stack();
        $this->core = new Test_Core($this->stack);
    }

    public function do_test(){
        $this->core->assign();
        $this->core->assign();
        $this->core->assign();
    }

    public function get_a(){
        return $this->core->get_a();
    }
}

class Test_Array_Stack extends Stackable {
    public function run(){}
}

class Test_Stack extends Stackable {
    protected function test($a){
        $a[] = 'WORK';
    }
    public function run(){}
}

class Test_Core {
    protected $thread;
    protected $stack;
    protected $a;

    function __construct($s){
       $this->stack = $s;

       $this->a = new Test_Array_Stack();
    }

    public function assign(){
        $this->thread = new Test_Thread($this->stack, $this->a);
        $this->thread->start();

        $this->thread->synchronized(function($thread){
            $thread->wait();
        }, $this->thread);

        return $this->a;
    }

    public function get_a(){
        return $this->a;
    }
}

class Test_Thread extends Thread{
    protected $stack;
    protected $a;

    function __construct($s, $a){
       $this->stack = $s;
       $this->a = $a;
    }

    public function run(){
        $this->stack->test($this->a);

        $this->synchronized(function($thread){
            $thread->notify();
        }, $this);
    }
}

您可以扩展 Test_Stack 以创建对我的项目更有用的 lib 扩展，例如在其他文件 Test_Info.php 上：

require_once APPPATH.'libraries/Test.php';

class Test_Info extends Test {

    function init(){
        $this->stack = new Test_Info_Stack();
        $this->core = new Test_Core($this->stack);
    }
}

class Test_Info_Stack extends Test_Stack {
    protected function test($a){
        parent::test($a);
        $a[] = 'INFO';
    }
}

以及在控制器上的使用：

function index(){
    //without extension
    $this->load->library('Test');
    $this->test->init();
    $this->test->do_test();
    print_r($this->test->get_a());

    //with extension
    $this->load->library('Test_Info');
    $this->test_info->init();
    $this->test_info->do_test();
    print_r($this->test_info->get_a());
}

我花了一些时间，我希望它能帮助别人，LuckyBurger 谢谢你的解释链接。