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--TEST-- Unsetting and recreating private properties. --FILE-- <?php class C { private $p = 'test'; function unsetPrivate() { unset($this->p); } function setPrivate() { $this->p = 'changed'; } } class D extends C { function setP() { $this->p = 'changed in D'; } } echo "Unset and recreate a superclass's private property:\n"; $d = new D; $d->unsetPrivate(); $d->setPrivate(); var_dump($d); echo "\nUnset superclass's private property, and recreate it as public in subclass:\n"; $d = new D; $d->unsetPrivate(); $d->setP(); var_dump($d); echo "\nUnset superclass's private property, and recreate it as public at global scope:\n"; $d = new D; $d->unsetPrivate(); $d->p = 'this will create a public property'; var_dump($d); echo "\n\nUnset and recreate a private property:\n"; $c = new C; $c->unsetPrivate(); $c->setPrivate(); var_dump($c); echo "\nUnset a private property, and attempt to recreate at global scope (expecting failure):\n"; $c = new C; $c->unsetPrivate(); $c->p = 'this will fail'; var_dump($c); ?> ==Done== --EXPECTF-- Unset and recreate a superclass's private property: object(D)#%d (1) { [%u|b%"p":%u|b%"C":private]=> %unicode|string%(7) "changed" } Unset superclass's private property, and recreate it as public in subclass: object(D)#%d (1) { [%u|b%"p"]=> %unicode|string%(12) "changed in D" } Unset superclass's private property, and recreate it as public at global scope: object(D)#%d (1) { [%u|b%"p"]=> %unicode|string%(34) "this will create a public property" } Unset and recreate a private property: object(C)#%d (1) { [%u|b%"p":%u|b%"C":private]=> %unicode|string%(7) "changed" } Unset a private property, and attempt to recreate at global scope (expecting failure): Fatal error: Cannot access private property C::$p in %s on line 46