The Volatile class

    (PECL pthreads >= 3.0.0)

    Вступ

    The Volatile class is new to pthreads v3. Its introduction is a consequence of the new immutability semantics of Threaded members of Threaded classes. The Volatile class enables for mutability of its Threaded members, and is also used to store PHP arrays in Threaded contexts.

    Короткий огляд класу

    class Volatile extends Threaded implements Collectable, Traversable {
    /* Успадковані методи */
    public Threaded::chunk(int $size, bool $preserve): array
    public Threaded::count(): int
    public Threaded::extend(string $class): bool
    public Threaded::isRunning(): bool
    public Threaded::isTerminated(): bool
    public Threaded::merge(mixed $from, bool $overwrite = ?): bool
    public Threaded::notify(): bool
    public Threaded::notifyOne(): bool
    public Threaded::pop(): bool
    public Threaded::run(): void
    public Threaded::shift(): mixed
    public Threaded::synchronized(Closure $block, mixed ...$args): mixed
    public Threaded::wait(int $timeout = ?): bool
    }

    Приклади

    Приклад #1 New immutability semantics of Threaded

    <?php

    class Task extends Threaded
    {
    public function     __construct()
    {
    $this->data = new Threaded();

    // attempt to overwrite a Threaded property of a Threaded class (invalid)
    $this->data = new stdClass();
    }
    }

    var_dump((new Task())->data);

    Поданий вище приклад виведе щось схоже на:

    RuntimeException: Threaded members previously set to Threaded objects are immutable, cannot overwrite data in %s:%d

    Приклад #2 Volatile use-case

    <?php

    class Task extends Volatile
    {
    public function     __construct()
    {
    $this->data = new Threaded();

    // attempt to overwrite a Threaded property of a Volatile class (valid)
    $this->data = new stdClass();
    }
    }

    var_dump((new Task())->data);

    Поданий вище приклад виведе щось схоже на:

    object(stdClass)#3 (0) {
}

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    User Contributed Notes 1 note

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    1
    synnus at gmail dot com
    5 years ago
    <?php// just use extends  volatile for use array// is verry good class libvar extends Volatile{    private $_adresse = '127.0.0.1';    private $_port = 10000;        public $socket;    public $list_socket = array();    public $list_error = array();        public function __construct(){ }        public function set_list($val) { $ct = count($this->list_socket); $this->list_socket[ $ct ] = $val; return $ct; }    public function set_socket($val) { $this->socket = $val; return $this->socket; }    public function set_error($val) { $this->list_error[ count($this->list_error) ] = $val; }        public function unset_list($val) { unset($this->list_error[ $val ]); }    public function get_socketinlist($val) { return $this->list_socket[$val]; }    public function get_adresse() { return $this->_adresse; }    public function get_port() { return $this->_port; }    public function get_socket() { return $this->socket; }}?>
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