<?php
class a {
function __construct() { }
function __invoke() { echo("Invoked\n"); }
}
$a = new a();
$a();
// Prints: Invoked
class b {
private $x;
function __construct() {
$this->x = new a();
$this->x();
}
}
$b = new b();
Invoked
Fatal error: Uncaught Error: Call to undefined method b::x() in /in/3Pu60:17
Stack trace:
#0 /in/3Pu60(21): b->__construct()
#1 {main}
thrown in /in/3Pu60 on line 17
Process exited with code 255.