Demonstrating using static to refer to the "current" class when using inheritance

usingStatic.php

<?php
class TranslatedNumber {
	function __construct(protected int $number, protected string $en, protected $mi){}
	
	function getAll(){
		return ['number' => $this->number, 'en' => $this->en, 'mi' => $this->mi];
	}
	
	static function fromArray($a) {
		return new static(...$a); // HERE
		
	}
}

$tahi = new TranslatedNumber(1, "one", "tahi");
var_dump($tahi->getAll());

$rua = TranslatedNumber::fromArray([2, "two", "rua"]);
var_dump($rua->getAll());


class ShoutyTranslatedNumber extends TranslatedNumber {
	function __construct(int $number, string $en, string $mi) {
		parent::__construct($number, strtoupper($en), strtoupper($mi));
	}
}

$toru = new ShoutyTranslatedNumber(3, "three", "toru");
var_dump($toru->getAll());

$wha = ShoutyTranslatedNumber::fromArray([4, "four", "wha"]);
var_dump($wha->getAll());

var_dump([
	'tahi' => get_class($tahi),
	'rua' => get_class($rua),
	'toru' => get_class($toru),
	'wha' => get_class($wha),
]);