07-to-new-method.php

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<?php

declare(strict_types=1);

function toList(): bool
{
    class SomeClass
    {
        public function say(string $firstWord, string $secondWord): string
        {
            return $firstWord . $secondWord;
        }
    }

    global $DIC;

    $instance = new SomeClass();

    $refinery = $DIC->refinery();

    $transformation = $refinery->to()->toNew(
        [$instance, 'say']
    );

    $result = $transformation->transform(['Hello', ' World!']);

    return assert('Hello World!' === $result);
}