Online PHP editor | refs for SKWdW

<?php class Animal { public function eat() { echo 'Yummy!'; } } class Plant { public $size = 0; public function grow() { echo 'I\'m level '.++$this->size; } } if (rand(0, 1) == 0) $base = 'Animal'; else $base = 'Plant'; class_alias($base, "LifeformBase"); class Lifeform extends LifeformBase { } var_dump(new Lifeform); // similar for ReflectionClass, you just need to fetch the name // inheritance by anonymous class; also requires an object representing the anonymous class, like Closure is for anonymous functions. function get_base_animal_class() { return new class extends Animal { public $color; public function hiss() { echo 'Hiss!'; } }; } class_alias(get_class(get_base_animal_class()), "AnonBase"); $tiger_class = new class extends AnonBase { public $color = 'orange'; }; var_dump($tiger_class->hiss(), $tiger_class->color);