Online PHP editor | rfc for BYYDl

<?php class Human { public function speak() { return "I can speak"; } public function walk() { return "I can walk"; } public function jump() { return "I can jump"; } } /* calling parent is working but lots of duplication */ /* class Man extends Human { // can speak and walk but overrides some of the human function public function walk() { return parent::walk() . " fast"; } public function speak() { return parent::speak() . " fast"; } } */ class Man { // can speak and walk but overrides some of the human function public function __construct(Human $human) { $this->_human = $human; $this->_override = ["walk", "speak"]; } private function _method($parentResult) { return static::class . ": ". $parentResult . " fast"; } public function __call($name, $arguments) { return in_array($name, $this->_override) ? $this->_method($this->_human->$name()) : $this->_human->$name(); // here we could check if method exists } } // woman is an example for static access to instance methods of parent --> could be also static at parent (just easier to test with the code here) class Woman { private static function _method($parentResult) { return static::class . ": ". $parentResult . " fast"; } public static function __callStatic($name, $arguments) { $_override = ["walk", "speak"]; $_human = new Human(); return in_array($name, $_override) ? self::_method($_human->$name()) : $_human->$name(); // here we could check if method exists } } $human = new Human(); echo $human->speak() . "\r\n"; echo $human->walk(); echo "\r\n"; $man = new Man(new Human()); echo $man->speak() . "\r\n"; echo $man->walk() . "\r\n"; echo $man->jump(); echo "\r\n"; $woman = new Woman(); echo $woman::speak() . "\r\n"; echo $woman::walk() . "\r\n"; echo $woman::jump();

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