Online PHP editor | refs for pFd1t

<?php declare(strict_types = 1); $r = new class() { public int $int; public float $float; public bool $bool; public array $array; public string $string; public stdClass $std; public function __construct(){ var_dump($this->string); echo $this->string += 10; var_dump($this->string); } }; var_dump($r); $foo = null; $foo .= "baz"; var_dump($foo);