Online PHP editor | vld for eYIPu

<?php class integer { private $value; public function __construct(int $value) { $this->value = $value; } public static function __invoke(int ...$value) : int { if (count($value) === 1) $this->value = $value[0]; else throw new Exception('Multiple values given.'); return $this->value; } } $testi = new integer(1); $testi(2);