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<?php class A { private $b; function __construct() { $this->b = new B; } function __call(string $method, $args) { $this->b->$method(...$args); } } class B { function work($p1, $p2, $p3) { var_dump($p1, $p2, $p3); } } (new B)->work(1, 2, 3); (new A)->work(4, 5, 6); (new A)->not();
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
int(1) int(2) int(3) int(4) int(5) int(6) Fatal error: Uncaught Error: Call to undefined method B::not() in /in/3tkZ6:6 Stack trace: #0 /in/3tkZ6(16): A->__call('not', Array) #1 {main} thrown in /in/3tkZ6 on line 6
Process exited with code 255.

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