Mbinu __unserialize

Mbinu __unserialize inaitwa kiotomatiki wakati wa kurejesha hali ya objekti kwa kutumia kitendo unserialize. Kama kigezo hupokea safu yenye data ambayo ziliandaliwa hapo awali na mbinu __serialize.

Syntax

public function __unserialize(array $data): void

Mfano

Tutundie darasa lenye mbinu __serialize na __unserialize:

<?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();
?>

Matokeo ya kutekeleza kificho:

'John, 30'

Mfano

Matumizi ya __unserialize kwa sifa za kibinafsi:

<?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();
?>

Matokeo ya kutekeleza kificho:

99.99

Angalia pia

mbinu __serialize,
ambayo inaandaa objekti kwa usakinishaji
kitendo serialize,
kinachobadilisha objekti kuwa mstari