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<?php /** * This base class defines two methods of interest, one private, one protected. * * It also includes 3 ways to invoke these methods from outside. */ class Base { /** * A private base method */ private function priv() { echo __CLASS__ . PHP_EOL; } /** * Expose the private method */ public function callPriv() { $this->priv(); } /** * Expose either method via call_user_func(). */ public function call() { call_user_func(array($this, 'priv')); } /** * Expose either method using Reflection. */ public function reflect() { $rm = new ReflectionMethod($this, 'priv'); $rm->setAccessible(true); $rm->invoke($this); } } /** * Class Child redefines the methods of interest. Will overrides apply ? */ class Child extends Base { /** * A child private method. Does it override the base method ? */ private function priv() { echo __CLASS__ . PHP_EOL; } } $f = new Child(); // Non-static method calls on an instance should invoke the class method. $f->callPriv(); $f->call('priv'); $f->reflect('priv');