evaluation of callable conditions POC

conditions.php

<?php

class IsTrue
{
    public function __invoke()
    {
        return true;
    }
}

class IsFalse
{
    public function __invoke()
    {
        return false;
    }
}

$conditions = [new IsTrue(), new IsFalse];
$result = array_reduce(
    $conditions,
    function ($carry, $item) {
        $carry = $carry === null ? $item() : $carry && $item();

        return $carry;
    }
);

var_dump($result);

$evaluate = function (callable ...$conditions) {
    return array_reduce(
        $conditions,
        function ($carry, $item) {
            $carry = $carry === null ? $item() : $carry && $item();

            return $carry;
        }
    );
};

var_dump($evaluate(new IsTrue(), new IsTrue()));
var_dump($evaluate(new IsTrue(), new IsFalse()));