__unserialize metodi

__unserialize metodi unserialize funksiyasi yordamida ob'ekt deserializatsiya qilinganda avtomatik ravishda chaqiriladi. U parametr sifatida ilgari __serialize metodi tomonidan tayyorlangan ma'lumotlar massivini qabul qiladi.

Sintaksis

public function __unserialize(array $data): void

Misol

Keling, __serialize va __unserialize metodlariga ega bo'lgan klass yaratamiz:

<?php
class User {
	private $name;
	private $age;
	
	public function __construct($name, $age) {
		$this->name = $name;
		$this->age = $age;
	}
	
	public function __serialize(): array {
		return ['name' => $this->name, 'age' => $this->age];
	}
	
	public function __unserialize(array $data): void {
		$this->name = $data['name'];
		$this->age = $data['age'];
	}
	
	public function getInfo() {
		return $this->name . ', ' . $this->age;
	}
}

$user = new User('John', 30);
$serialized = serialize($user);
$unserialized = unserialize($serialized);

echo $unserialized->getInfo();
?>

Kodni bajarish natijasi:

'John, 30'

Misol

__unserialize dan maxsus xususiyatlar bilan foydalanish:

<?php
class Product {
	private $id;
	private $price;
	
	public function __construct($id, $price) {
		$this->id = $id;
		$this->price = $price;
	}
	
	public function __serialize(): array {
		return ['id' => $this->id, 'price' => $this->price];
	}
	
	public function __unserialize(array $data): void {
		$this->id = $data['id'];
		$this->price = $data['price'];
	}
	
	public function getPrice() {
		return $this->price;
	}
}

$product = new Product(123, 99.99);
$serialized = serialize($product);
$unserialized = unserialize($serialized);

echo $unserialized->getPrice();
?>

Kodni bajarish natijasi:

99.99

Shuningdek qarang

__serialize metodi,
ob'ektni serializatsiya qilishga tayyorlaydi
serialize funksiyasi,
ob'ektni satrga aylantiradi