<?php class integer { private $value; public function __construct(int $value = 0) : int { $this->value = $value; return $this->value; } public function __invoke(int ...$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);
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