PYTHON The Serializable interface

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PHP The Serializable interface

PHP original manual for The Serializable interface [ show | php.net ]

The Serializable interface

Introduction

Interface for customized serializing.

Classes that implement this interface no longer support __sleep() and __wakeup(). The method serialize is called whenever an instance needs to be serialized. This does not invoke __destruct() or has any other side effect unless programmed inside the method. When the data is unserialized the class is known and the appropriate unserialize() method is called as a constructor instead of calling __construct(). If you need to execute the standard constructor you may do so in the method.

Class synopsis

Serializable

Serializable {

/* Methods */

abstract public string serialize ( void )

abstract public mixed unserialize ( string $serialized )

}

Example #1 Basic usage


<?php
class obj implements Serializable {
    private $data;
    public function __construct() {
        $this->data = "My private data";
    }
    public function serialize() {
        return serialize($this->data);
    }
    public function unserialize($data) {
        $this->data = unserialize($data);
    }
    public function getData() {
        return $this->data;
    }
}

$obj = new obj;
$ser = serialize($obj);

$newobj = unserialize($ser);

var_dump($newobj->getData());
?>