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<?php class A { function __construct() { $this->foo = new B; } } class B { static $c = 0; function construct() { $this->i = ++self::$c; } } $a = new A; $b = clone $a; var_dump($a, $b);
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Creation of dynamic property A::$foo is deprecated in /in/td638 on line 5 object(A)#1 (1) { ["foo"]=> object(B)#2 (0) { } } object(A)#3 (1) { ["foo"]=> object(B)#2 (0) { } }

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