Online PHP editor | output for JrZaF

<?php declare(strict_types=1); final class Foo implements \Stringable { private function __construct(public readonly string $value) { } public static function fromString(string $string): self { return new self($string); } /** * {@inheritdoc} */ public function __toString(): string { return $this->value; } } $options = [ Foo::fromString('c'), Foo::fromString('b'), Foo::fromString('a'), Foo::fromString('ccc'), Foo::fromString('bcc'), ]; function foo(string $a, string $b): int { return 1; } uasort($options, 'foo'); var_export($options);