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@ 2013-09-13T18:55:10Z

<?php
class SubObject
{
    static $instances = 0;
    public $instance;

    public function __construct() {
        $this->instance = ++self::$instances;
        echo self::$instances;
    }

}
class MyCloneable
{
  /*  public $object1;
    public $object2;
*/
   function __clone()
    {
        // forza la copia di $this->object1, che altrimenti
        // punterebbe alla stessa istanza.
        $this->object1 = clone $this->object1;
    }


    public function __invoke($object1,$object2)
    {
        $this->oject1=$object1;
        $this->oject2=$object2;
    }

}
$obj = new MyCloneable();

$obj->object1 = new SubObject();
$obj->object2 = new SubObject();



$obj2=new $obj;
$obj2->object1 = new SubObject();
$obj2->object2 = new SubObject();
$obj3 = clone $obj;

print("Oggetto originale:\n");
print_r($obj);

print("Oggetto originale:\n");
print_r($obj2);
print("Oggetto clonato:\n");
print_r($obj3);
echo SubObject::$instances;
?>

Output for git.master, git.master_jit, rfc.property-hooks: 1 Deprecated: Creation of dynamic property MyCloneable::$object1 is deprecated in /in/bbfUg on line 35 2 Deprecated: Creation of dynamic property MyCloneable::$object2 is deprecated in /in/bbfUg on line 36 3 Deprecated: Creation of dynamic property MyCloneable::$object1 is deprecated in /in/bbfUg on line 41 4 Deprecated: Creation of dynamic property MyCloneable::$object2 is deprecated in /in/bbfUg on line 42 Oggetto originale: MyCloneable Object ( [object1] => SubObject Object ( [instance] => 1 ) [object2] => SubObject Object ( [instance] => 2 ) ) Oggetto originale: MyCloneable Object ( [object1] => SubObject Object ( [instance] => 3 ) [object2] => SubObject Object ( [instance] => 4 ) ) Oggetto clonato: MyCloneable Object ( [object1] => SubObject Object ( [instance] => 1 ) [object2] => SubObject Object ( [instance] => 2 ) ) 4

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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